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SOLID STATE RELAYS

solid state relays (SSRs)
ESR-100AA-H 3 Phase 100 Amp Solid State Relay; CE Certified; Input Voltage: 20-265 VAC/DC; Output Voltage: 90-550 VAC….See Solid State Module Spec Sheet for more info..
ESR-100AA-H+ 110 VAC Fa 3-Phase Solid State Relay AC to AC..100 Amps; Zero Cross Switching; Input Voltage: 20-265 VAC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses; ..Size: 96 mm W x 192 mm L x 129 mm H…..
ESR-100AA-SH (208-600 VAC) 100 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 20-265 VAC/VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-100DA-H 3 Phase 100 Amp Solid State Relay; CE Certified; Input Voltage: 4/32 VDC; Output Voltage: 90-480 VAC….See Solid State Module Spec Sheet for more info..
ESR-100DA-H+ 110 VAC Fa 3-Phase Solid State Relay DC to AC..100 Amps; Zero Cross Switching; Input Voltage: 4-32 VDC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses;..Size: 96 mm W x 192 mm L x 129 mm H….N…
ESR-100DA-SH (208-600 VAC) 100 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-25AA-SH (208-600 VAC) 25 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 20-265 VAC/VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-25DA-SH (208-600 VAC) 25 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-40AA-H+ 110 VAC Fan 3-Phase Solid State Relay AC to AC..40 Amps; Zero Cross Switching; Input Voltage: 20-265 VAC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses;..Size: 96 mm W x 192 mm L x 129 mm H…….
ESR-40AA-SH (208-600 VAC) 40 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 20-265 VAC/VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-40DA-H 40 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 4-32 VDC; Operating Voltage: 90-480 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-40DA-H+ 110 VAC FAN 3-Phase Solid State Relay DC to AC..40 Amps; Zero Cross Switching; Input Voltage: 4-32 VDC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses;..Size: 96 mm W x 192 mm L x 129 mm H….No…
ESR-40DA-SH (208-600 VAC) 40 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-60AA-H+ 110 VAC Fan 3-Phase Solid State Relay AC to AC..60 Amps; Zero Cross Switching; Input Voltage: 20-265 VAC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses;..Size: 96 mm W x 192 mm L x 129 mm H…….
ESR-60AA-SH (208-600 VAC) 60 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 20-265 VAC/VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-60DA-H+ 110 VAC Fan 3-Phase Solid State Relay DC to AC..60 Amps; Zero Cross Switching; Input Voltage: 4-32 VDC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses;..Size: 96 mm W x 192 mm L x 129 mm H….No…
ESR-60DA-SH (208-600 VAC) 60 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
ESR-80AA-H+ 110 VAC Fan 3-Phase Solid State Relay AC to AC..80 Amps; Zero Cross Switching; Input Voltage: 20-265 VAC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses;..Size: 96 mm W x 192 mm L x 129 mm H…….
ESR-80AA-SH (208-600 VAC) 80 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 20-265 VAC/VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info….
ESR-80DA-H+ 110 VAC Fan 3-Phase Solid State Relay DC to AC..80 Amps; Zero Cross Switching; Input Voltage: 4-32 VDC; Operating Voltage: 90-480 VAC; with Over Heat Protection 120° C; CE and RoHs Certified; Heat Sink and built In Fuses;..Size: 96 mm W x 192 mm L x 129 mm H….No…
ESR-80DA-SH (208-600 VAC) 80 Amps Three Phase Solid State Relay; Touch Safe Protection; Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
HPR-100AA-H 100 Amp Solid State Relay; Zero Cross Over Switching; Trigger or Input Voltage: 20-265 VAC/DC; Output: 24-550 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
HPR-100AA-SH (208-600 VAC) Solid State Relay; Zero Cross Over Switching; 100 Amp; Trigger or Input Voltage: 20-265 VAC/DC; Operating Voltage: 208-600 VAC, CE Certified, RoHs Compliant….See Solid State Module Spec Sheet for more info..
HPR-100DA-H 100 Amp Solid State Relay; Zero Cross Over Switching; Trigger or Input Voltage: 3/32 VDC; Output: 24-550 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
HPR-100DA-SH (208-600VAC) Solid State Relay; Zero Cross Over Switching; 100 Amp; Trigger or Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC, CE Certified, RoHs Compliant….See Solid State Module Spec Sheet for more info….
HPR-60AA-SH (208-600 VAC) Solid State Relay; Zero Cross Over Switching; 60 Amp; Trigger or Input Voltage: 20-265 VAC/DC; Operating Voltage: 208-600 VAC, CE Certified, RoHs Compliant….See Solid State Module Spec Sheet for more info..
HPR-60DA-H 60 Amp Solid State Relay; Zero Cross Over Switching; Trigger or Input Voltage: 3/32 VDC; Output: 24-550 VAC; CE Certified….See Solid State Module Spec Sheet for more info….
HPR-60DA-SH (208-600 VAC) Solid State Relay; Zero Cross Over Switching; 60 Amp; Trigger or Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC, CE Certified, RoHs Compliant….See Solid State Module Spec Sheet for more info..
HPR-80AA-SH (208-600 VAC) Solid State Relay; Zero Cross Over Switching; 80 Amp; Trigger or Input Voltage: 20-265 VAC/DC; Operating Voltage: 208-600 VAC, CE Certified, RoHs Compliant….See Solid State Module Spec Sheet for more info..
HPR-80DA-SH (208-600 VAC) Solid State Relay; Zero Cross Over Switching; 80 Amp; Trigger or Input Voltage: 4-32 VDC; Operating Voltage: 208-600 VAC, CE Certified, RoHs Compliant….See Solid State Module Spec Sheet for more info….
PPC-SSR Plastic Protective Cover for SSR
SCR-F-40LA-H Single Phase Fuse Type SSR Phase Control; 40 Amps Input Voltage: 4-20 mA; Operating Voltage: 180-480 VAC..25 Amp Fuse;..
SCR-K30LA-H SSR on Heat Sink rated for 30 Amps..Control Current: 4-20 mA ; Control Method: Phase Fired Control; Operating Voltage: 180-550 VAC; 1 Pole; DIN Rail Mounted; 64.5 mm H x 25 mm W x 77.5 mm L; CE and cURus Certified
SSR-05DD Solid State Relay 5 Amp..Input Voltage: 3-32 VDC; Operating Voltage: 5-60 VDC….See Solid State Module Spec Sheet for more info..
SSR-10AA Solid State Relay; Zero Crossover Switching; 10 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 24-380 VAC; UL and CE certified….See Solid State Module Spec Sheet for more info..
SSR-10AA-H Solid State Relay; Zero Crossover Switching; 10 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 90-480 VAC; UL and CE certified….See Solid State Module Spec Sheet for more info..
SSR-10DA Solid State Relay; Zero Cross Over Switching; 10 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 24-380 VAC; CUL, CE Certified….See Solid State Module Spec Sheet for more info..
SSR-10DA-H Solid State Relay; Zero Crossover Switching; 10 Amp; Trigger or Input Voltage: 3-32 VDC; Output: 90-480 VAC; UL and CE certified….See Solid State Module Spec Sheet for more info..
SSR-10DD 10 Amp Solid State Relay; Zero Cross Over-Switching; Trigger or Input Voltage: 3/32 VDC; Operating Voltage: 5-60 VDC; CUL; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-10DD-H 10 Amp Solid State Relay; Zero Cross Over-Switching; Trigger or Input Voltage: 3/32 VDC; Operating Voltage: 5-300 VDC; CUL; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-25AA Solid State Relay; Zero Crossover Switching; 25 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 24-380 VAC; UL and CE certified….See Solid State Module Spec Sheet for more info..
SSR-25AA-H Solid State Relay; Zero Cross Over Switching; 25 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 90-480 VAC; CUL, CE Certified….See Solid State Module Spec Sheet for more info….
SSR-25AA-L Solid State Relay; Zero Crossover Switching; 25 Amp; Trigger or Input Voltage: 15-60 VAC; Output: 24-380 VAC; UL and CE certified….See Solid State Module Spec Sheet for more info..
SSR-25DA Solid State Relay; Zero Cross Over Switching; 25 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 24-380 VAC; CUL, CE Certified….See Solid State Module Spec Sheet for more info..
SSR-25DA-H Solid State Relay; Zero Cross Over Switching; 25 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 90-480 VAC; CUL, CE Certified….See Solid State Module Spec Sheet for more info..
SSR-25DD Solid State Relay 25 Amp..Input Voltage: 3-32 VDC..Operating Voltage: 5-60 VDC….See Solid State Module Spec Sheet for more info….
SSR-25DD-H Single Phase DC to DC Solid State Relay..25 Amps Maximum; Peak Voltage 600 VDC; Response Time 1 milli-second; Input Voltage: 4-32 VDC; Output Voltage: 5-300 VDC; Ambient Temperature: -40° to 80°C; Control Method: Random….See Solid State Module Spec S…
SSR-25LA 25 Amp Solid State Relay..Input: 4-20 mA; Operating Voltage: 90-250 VAC; cURus and CE Certified; Phase Fired….See Solid State Module Spec Sheet for more info..
SSR-25VA Fotek Solid State Relay 25 Amp Rating..2W; No Indicator Light; 500K Ohms / 1/4 W….See Solid State Module Spec Sheet for more info..
SSR-40AA-H Solid State Relay; Zero Cross Over Switching; 40 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 90-480 VAC; CUL, CE Certified….See Solid State Module Spec Sheet for more info..
SSR-40DA Solid State Relay; Zero Cross Over Switching; 40 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 24-380 VAC; CUL, CE Certified….See Solid State Module Spec Sheet for more info..
SSR-40DA-H Solid State Relay; Zero Cross Over Switching; 40 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 90-480 VAC; CUL, CE Certified….See Solid State Module Spec Sheet for more info..
SSR-40LA Solid State Relay; 40 Amp; Input: 4-20mA; Output: 24-380 VAC; cURus and CE Certified; Phase Fired….See Solid State Module Spec Sheet for more info..
SSR-40LA-H Solid State Relay; 40 Amp; Input: 4-20mA; Output: 250-480 VAC; cURus and CE Certified; Phase Fired….See Solid State Module Spec Sheet for more info..
SSR-40VA Adjustable Solid State Relay; Phase Switching; 40 Amp; Input: Variable Resistance; Output: 24-380 VAC; cURus; CE Certified; 500K Ohms / 1/4 W….See Solid State Module Spec Sheet for more info..
SSR-40VA-H-1M Ohms Fotek Solid State Relay..40 Amp; High Voltage Type (90-480 VAC)….See Solid State Module Spec Sheet for more info..
SSR-50AA Solid State Relay; Zero Crossover Switching; 50 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 24-380 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-50AA-H Solid State Relay; Zero Crossover Switching; 50 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 90-480 VAC; cURus; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-50DA Solid State Relay; Zero Cross Over Switching; 50 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 24-380VAC; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-50DA-H Solid State Relay; Zero Cross Over Switching; 50 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 90-480VAC; cURus, CE Certified….See Solid State Module Spec Sheet for more info..
SSR-50DD 50 Amp Solid State Relay; Zero Cross Over-Switching; Trigger or Input Voltage: 4-32 VDC; Operating Voltage: 5-120 VDC; CUL; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-50LA 50 Amp Solid State Relay..Input: 4-20 mA; Operating Voltage: 90-250 VAC; cURus and CE Certified; Phase Fired….See Solid State Module Spec Sheet for more info….
SSR-50LA-H Solid State Relay; 50 Amp; Input: 4-20mA; Output: 250-480 VAC; CE Certified; Phase Fired….See Solid State Module Spec Sheet for more info..
SSR-50LV 50 Amp Solid State Relay..Input: 3-10 VDC; Operating Voltage: 90-250 VAC; cURus and CE Certified; Phase Fired….See Solid State Module Spec Sheet for more info..
SSR-75AA-H Solid State Relay; Zero Crossover Switching; 75 Amp; Trigger or Input Voltage: 80-250 VAC; Output: 90-480 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-75DA-H Solid State Relay; Zero Cross Over Switching; 75 Amp; Trigger or Input Voltage: 3/32 VDC; Output: 90-480VAC; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-75DD 75 Amp Solid State Relay; Zero Cross Over-Switching; Trigger or Input Voltage: 4-32 VDC; Operating Voltage: 5-120 VDC; CUL; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-75LA 75 Amp Solid State Relay..Input: 4-20 mA; Operating Voltage: 90-250 VAC; cURus and CE Certified; Phase Fired….See Solid State Module Spec Sheet for more info..
SSR-75LA-H Solid State Relay; 75 Amp; Trigger or Input Voltage: 4-20 mA; Output: 90-480VAC; CE Certified….See Solid State Module Spec Sheet for more info..
SSR-F-10AA Single Phase Fuse Type SSR Zero Cross;..10 Amps Input Voltage: 20-265 VAC; Operating Voltage: 24-380 VAC..6 Amp Fuse….See Solid State Module Spec Sheet for more info..
SSR-F-10DA Single Phase Fuse Type SSR Zero Cross;..10 Amps Input Voltage: 4-32 VDC; Operating Voltage: 24-380 VAC..6 Amp Fuse….See Solid State Module Spec Sheet for more info..
SSR-F-10DA-H Solid State Relay; Zero Crossover Switching; 5 Amp; Trigger or Input Voltage: 3-32 VDC; Output: 90-480 VAC; UL and CE certified; with 6 Amp Fuse; RoHs Compliant….See Solid State Module Spec Sheet for more info..
SSR-F-25AA-H Single Phase Fuse Type SSR Zero Cross;..25 Amps Input Voltage: 80-250 VAC; Operating Voltage: 90-480 VAC..16 Amp Fuse;….See Solid State Module Spec Sheet for more info..
SSR-F-25DA Single Phase Fuse Type SSR Zero Cross;..25 Amps Input Voltage: 4-32 VDC; Operating Voltage: 24-380 VAC..16 Amp Fuse;….See Solid State Module Spec Sheet for more info..
SSR-F-25DA-H Single Phase Fuse Type SSR Zero Cross;..25 Amps Input Voltage: 4-32 VDC; Operating Voltage: 90-480 VAC..16 Amp Fuse;….See Solid State Module Spec Sheet for more info..
SSR-F-40AA-H Single Phase Fuse Type SSR Zero Cross;..40 Amps Input Voltage: 80-250 VAC; Operating Voltage: 90-480 VAC..25 Amp Fuse;….See Solid State Module Spec Sheet for more info..
SSR-F-40DA Single Phase Fuse Type SSR..40 Amps Operating Voltage: 24-380 VAC..25 Amp Fuse….See Solid State Module Spec Sheet for more info..
SSR-F-40DA-H Single Phase Fuse Type SSR..40 Amps Operating Voltage: 90-480 VAC..25 Amp Fuse….See Solid State Module Spec Sheet for more info..
SSR-K30AA-H SSR on Heat Sink rated for 30 Amps..Input Voltage: 20-265 VAC; Control Method: Zero Cross over Switching; Operating Voltage: 90-550 VAC; 1 Pole; DIN Rail Mounted; 64.5 mm H x 25 mm W x 77.5 mm L; CE and cURus Certified….See Solid State Module Spec Sh…
SSR-K30DA-H SSR on Heat Sink rated for 30 Amps..Input Voltage: 4-32 VDC; Control Method: Zero Cross over Switching; Operating Voltage: 90-550 VAC; 1 Pole; DIN Rail Mounted; 64.5 mm H x 25 mm W x 77.5 mm L; CE and cURus Certified….See Solid State Module Spec Shee…
SSR-K40AA-H SSR on Heat Sink rated for 40 Amps..Input Voltage: 20-265 VAC; Control Method: Zero Cross over Switching; Operating Voltage: 90-550 VAC; 1 Pole; DIN Rail Mounted; 79.6 mm H x 36 mm W x 77.5 mm L; CE and cURus Certified….See Solid State Module Spec Sh…
SSR-K40DA-H SSR on Heat Sink rated for 40 Amps..Input Voltage: 4-32 VDC; Control Method: Zero Cross over Switching; Operating Voltage: 90-550 VAC; 1 Pole; DIN Rail Mounted; 79.6 mm H x 36 mm W x 77.5 mm L; CE and cURus Certified….See Solid State Module Spec Shee…
TSR-25AA-H Three Phase Solid State Relay..Control Method: Zero Cross Over Switching; Rated Load Current: 25 Amps; ..Input Voltage: 80-250 VAC; Operating Voltage: 90-480 VAC; CE Certified….Size: 100 mm L x 76 mm W x 30 mm H….See Solid State Module Spec She…
TSR-25DA-H Three Phase Solid State Relay..Control Method: Zero Cross Over Switching; Rated Load Current: 25 Amps; ..Input Voltage: 4-32 VDC; Operating Voltage: 90-480 VAC; CE Certified….Size: 100 mm L x 76 mm W x 30 mm H….See Solid State Module Spec Sheet…
TSR-40AA-H Three Phase Solid State Relay..Rated Load Current: 40 Amps; Input Voltage: 80-250 VAC 50/60 Hertz;Operating Voltage: 90-480 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
TSR-40DA-H Three Phase Solid State Relay..Rated Load Current: 40 Amps; Input Voltage: 3/32 VDC; Operating Voltage: 90-480 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
TSR-75AA-H Three Phase Solid State Relay..Rated Load Current: 75 Amps; Input Voltage: 80-250 VAC 50/60 Hertz;Operating Voltage: 90-480 VAC; CE Certified….See Solid State Module Spec Sheet for more info..
TSR-75DA-H Three Phase Solid State Relay..Rated Load Current: 75 Amps; Input Voltage: 3/32 VDC; Operating Voltage: 90-480 VAC; CE Certified….See Solid State Module Spec Sheet for more info..

Calculators

Power Flow Rate Temp Calculator

Calculate the electrical power, flow rate or temperature requirement.
airflow in standard cubic feet per minute
temperature rise in degrees F from the inlet to the exhaust
Watts = SCFM x ΔT/2.5

Temperature Conversion Calculator

Calculate the electrical power, flow rate or temperature requirement.
°F = ((( °C * 9) / 5 ) + 32)
°C = ((( °F - 32) * 5 ) / 9)

Three-Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * (V * √2)
V = (W / LC) / √2
LC = W / (V * √2)

Single Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * V
V = LC * W
LC = W / V

Ohms Law Calculator

Fill in two values to find the other two.

O = V / A

O = V² / W

O = W / A²

V = A * O = A * (V/A)

V = √(W * O)

V = W / A

A = V / O

A = W/ V

A = √(W / O)

W = A * V

W = V² / O

W = A² * O

Heat Transfer Through Convection Calculator

ρ = density (lb/ft3)

V = volume flow rate (ft3/hour)

Cp = specific heat (Btu/lb°F)

Ta-Tb = temperature differential (°F)

Q = ρ x V x Cp x (Ta-Tb)


Fill in four values

ρ = density (lb/ft3)
V = volume flow rate (ft3/hour)
Cp = specific heat (Btu/lb°F)
Ta-Tb = TD (°F)
Q = ρ x V x Cp x (Ta-Tb)

ACFM to SCFM

ACFM = airflow in actual cubic feet per minute

P = gage pressure (psi)

T = gas temperature °R = 460 + °F

SCFM = airflow in standard cubic feet per minute


Find Standard Cubic Feet per Minute based on data from your Actual Cubic Feet per Minute Rotameter

airflow in actual cubic feet per minute
gage pressure (psi)
gas temperature °R = 460 + °F
airflow in standard cubic feet per minute

Standard Flow Rate (SCFM) Calculator

Calculate the SCFM.
Actual cubic feet per minute
Actual pounds per square inch at Gauge
Actual temperature in °F. °R = 460 + °F
CFM * (PSI actual / 14.7psi)*(528°R / T actual)

Pressure Conversion

Fill in one value to calculate the other.
PSI = Bar * 14.504
Bar = PSI / 14.504

Mass Flow to volume Metric Flow

Fill in one value to calculate the other two
kg/h = Kilogram Per Hour (lb/min multiply by 27.216)
Lbs/min = Pounds per minute (kg/h divide by 27.216)
SCFM = Standard cubic feet per minute

Power converter for different voltage

Power converter for different voltage
Original voltage in volts (V)
Original power in watts (W)
new voltage in volts (V)
New Power = (New Voltage × Original Power) / Original Voltage

Power Flow Rate Temp Calculator

Calculate the electrical power, flow rate or temperature requirement.
airflow in standard cubic feet per minute
temperature rise in degrees F from the inlet to the exhaust
Watts = SCFM x ΔT/2.5

Temperature Conversion Calculator

Calculate the electrical power, flow rate or temperature requirement.
°C = ((( °F - 32) * 5 ) / 9)
°F = ((( °C * 9) / 5 ) + 32)

Three-Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * (V * √2)
V = (W / LC) / √2
LC = W / (V * √2)

Single Phase Unit Calculator

Fill in two values to find the 3rd.
W = LC * V
V = LC * W
LC = W / V

Ohms Law Calculator

Fill in two values to find the other two.

O = V / A

O = V² / W

O = W / A²

V = A * O = A * (V/A)

V = √(W * O)

V = W / A

A = V / O

A = W/ V

A = √(W / O)

W = A * V

W = V² / O

W = A² * O

Heat Transfer Through Convection Calculator

ρ = density (lb/ft3)

V = volume flow rate (ft3/hour)

Cp = specific heat (Btu/lb°F)

Ta-Tb = temperature differential (°F)

Q = ρ x V x Cp x (Ta-Tb)


Fill in four values

ρ = density (lb/ft3)
V = volume flow rate (ft3/hour)
Cp = specific heat (Btu/lb°F)
Ta-Tb = TD (°F)
Q = ρ x V x Cp x (Ta-Tb)

ACFM to SCFM

ACFM = airflow in actual cubic feet per minute

P = gage pressure (psi)

T = gas temperature °R = 460 + °F

SCFM = airflow in standard cubic feet per minute


Find Standard Cubic Feet per Minute based on data from your Actual Cubic Feet per Minute Rotameter

airflow in actual cubic feet per minute
gage pressure (psi)
gas temperature °R = 460 + °F
airflow in standard cubic feet per minute

Standard Flow Rate (SCFM) Calculator

Calculate the SCFM.
Actual cubic feet per minute
Actual pounds per square inch at Gauge
Actual temperature in °F. °R = 460 + °F
CFM * (PSI actual / 14.7psi)*(528°R / T actual)

Pressure Conversion

Fill in one value to calculate the other.
PSI = Bar * 14.504
Bar = PSI / 14.504

Mass Flow to volume Metric Flow

Fill in one value to calculate the other two
Kg/h = Kilogram Per Hour (lb/min multiply by 27.216)
Lbs/min = Pounds per minute (kg/h divide by 27.216)
SCFM = Standard cubic feet per minute

Power converter for different voltage

Power converter for different voltage
Original voltage in volts (V)
Original power in watts (W)
new voltage in volts (V)
New Power = (New Voltage × Original Power) / Original Voltage