SCR Power Controllers (Zero Fired Type)
ZERO FIRED SCR POWER MODULES : ZF 01 XXX 0 00 Series
Standard Available Ratings
| XXX | Current Rating | Max kW@230V AC |
|---|---|---|
| 012 | 12 Amps | 2.760 |
| 025 | 25 Amps | 5.750 |
| 037 | 37.5 Amps | 8.625 |
| 050 | 50 Amps | 11.500 |
| 062 | 62.5 Amps | 14.375 |
| 085 | 85 Amps | 19.550 |
| 100 | 100 Amps | 23.00 |
| 120 | 120 Amps | 27.60 |
Features
- Operating Mode Burst Firing Time Proportioning type control
- Applicable For Ohmic Loads Rwarm/Rcold=2:1
- Input Select ability : 0-10 V, 4-20 mA, 0-5 V, 1-5 V, 0-20 mA
- Isolation: Control Circuitry Isolated from SCR’s through pulse transformers. A.C. current sensed through current transformers. Both P.T. and C.T. are tested for 2KV for 1 min.
- Start/Inhibit: Open Circuit Voltage between Short to Start links 15 Volts. Current in closed < 4 mA
- LED Monitors: Single Phase, Wrong Sequence, Under Voltage, Over Voltage, Start, Inhibit, Over Current
- Fault Signal Relay: Fused 12 V D.C., 5 A, 150 Ohm relay
- Other Features: Acknowledge P.B. used to Reset Fault. Can be brought out externally. 4 DIP switches to inhibit fault SPP, UV, OV, OC (hard shorted)
- Latch jumper to latch faults and stop operation of module until acknowled