Model PF1 SCR Power Control (15-70A) SSR Design
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Model PF1 SCR Power Control (15-70A) SSR Design

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PF1, Single Phase, Phase Angle Control, 15-70A for Resistive Loads
  • $337.00
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  • Weight
    7 lbs
  • SKU
    PF1 15-70A
  • Mnf#/Vendor#
    Ametek HDR

PF1 SCR Power Controls, Phase Angle (Single Phase, 15-70 Amps, SSR Type)

PF1 series SCR power controls are single phase, phase angle fired solid state relay power controls designed to deliver maximum power control with all the reliability of much larger units. Phase angle fired units delays the turn on point in each half cycle of the sine waves for precise power control. Optional current limiting is available.


AC Voltage Input

AC Voltage Output

Recommended For RESISTIVE Loads

Phase Angle Fired

Can Be Used with Infra-Red Heaters and on fast responding heater



Shipment in 1-2 weeks (Expedited Delivery Possible).


Load Type: Resistive Only (Not recommended for transformer or inductive loads)
Control Method: Phase Angle Firing of back to back SCRs
Voltage Ratings: Models available for up to 600VAC
Current Ratings: 15-70 Amps
Command Signals: Most standard process signals are supported
Isolation: 2500V RMS from power circuit to command signal and ground
Bias and Gain Adjustments: Multi-turn
Heat Sink: Electrically Isolated
Power Source Require a 24VAC power source to power electronics
Ambient Temperature Range: 0-50Æ’C Operating, 0-70C Storage
Relative Humidity: 0-95% Non-condensing
Agency Approvals: UL, cUL Listed, CE Compliant
Warranty: 5 Years

ZF1 15-40A Dimensions
ZF1 70A Dimensions
Fuse Block

Additional Information

Click Here to Download Product Manual

  • Voltage
    (120) 120 VAC, (240) 208 or 240 VAC, (400) 400 VAC, (480) 480 VAC
  • Current Rating
    (15) 15 Amps, (15-FK) 15 Amps with Fuse Kit, (25) 25 Amps, (25-FK) 25 Amps with Fuse Kit, (40) 40 Amps, (40A-FK) 40 Amps with Fuse Kit, (70) 70 Amps, (70-FK) 70 Amps with Fuse Kit
  • Thermostat Option
    None, (NO) N.O. Thermostat, (NC) N.C. Thermostat
  • Options
    None, (CL) Current Limit, (OC) Over Current Trip
  • 24 VAC Transformer
    None, (TX) Include 24 VAC Transformer
  • Command Signal Input
    (01) 4-20mA (Requires 24 VAC), (02) 0-10 VDC (Requires 24 VAC), (03) 0-5 VDC (Requires 24 VAC), (05) Manual Pot Input (Requires 24 VAC and 5K Pot)
  • Manufacturer
    Ametek HDR
  • Made In USA
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