West Control Solutions presents a range of thyristor power controllers which have been designed to switch 3 legs of 3 phase loads.
About Thyristor
These thyristor units are ideal for 3 phase configuration with neutral connection, normal (Relay S or Relay M) or variable resistive loads and transformer load types (PM3000-3PH).
Descriptions of Relay S – 3PH Thyristor Power Controller
Relay S- 3PH = Simple on/off firing with a DC logic input, time proportioned burst firing with a DC linear input (basic firing selectable between 4,8 or 16 cycles).
Benefits & Features:
- Integrated fuse + fuse holder is necessary to have a complete
- power control zone including current transformer and optional circuit board
- Flat Cable Wiring System (option) to connect in plug in mode many Revo S
- when HB alarm or analog input are used
- Input signal: SSR, Analog as an option
- Zero Crossing, Burst Firing available at 4, 8 or 16 Cycles at 50%
- of Power demand
- Electronic fully isolated from power with constant current drain on input.
- Heater Break alarm option to diagnose partial or total load failure
- and Thyristor Short circuit
- Fuse and Fuse holder available as an option
- Current transformer integrated (with Heather Break option)
- Special design for Heat sink with very high dissipation value
- Comply with EMC, cUL (pending)
- DIN RAIL side by side mounting
- IP20 Protection
Specification:
- Up to 500A
- 3, 4 or 6 wire
- 24Vac to 600Vac Supply
- DC Logic input
- 4-20mA or 0-10V DC linear inputs
- Zero Cross or Burst Firing (4, 8 or 16 cycles @50% power demand)
Source :www.west-cs.co.uk
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