United Automation FC36M, Thyristor Trigger Module

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Subtotal (1 unit)*

£319.18

(exc. VAT)

£383.02

(inc. VAT)

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  • 8 unit(s) ready to ship
  • Plus 5 unit(s) shipping from 19 November 2025
  • Plus 5 unit(s) shipping from 06 February 2026
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Per unit
1 - 1£319.18
2 - 4£310.56
5 - 9£302.26
10 - 19£294.60
20 +£287.27

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RS Stock No.:
232-9347
Mfr. Part No.:
FC36M
Brand:
United Automation
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Brand

United Automation

Output Isolation

3500Vrms

Input Voltage DC

5V dc

Dimensions

162 x 108 x 40mm

Minimum Operating Temperature

0 °C

Maximum Operating Temperature

+65 °C

COO (Country of Origin):
GB

Phase Angle & Burst Firing Three-Phase, FC36M - A34411 (No DIN housing), 415V


A microprocessor based thyristor firing control PCB with both Phase Angle and Burst Firing options.

Suitable for ac/dc resistive/inductive loads, via thyristor pairs on 3-phase stacks
No external phasing transformers required
Analogue control inputs 0-5Vdc and 4-20mA current loop
Digital isolated control, opto-coupled +5 → +25Vdc
Selectable current limit with LED indication
Over-current latching trip to 150% LED indication
Selectable resistive/inductive loads
Selectable phase reversal
Output status indication


The number of complete mains cycles during fixed repeating periods (typically 1 to 10 seconds) is varied, thus altering the duty cycle or on-/off-time ratio. Trigger pulses coincide with the zero-crossing times of the mains supply thus ensuring no RFI is produced when using resistive loads.

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