• RS Stock No. 298-9371
  • Brand Broyce Control
  • Mfr. Part No. 45PTR 230VAC
Broyce Control
Broyce Control Phase, Temperature Monitoring Relay with DPST Contacts, 3 Phase, 230 V ac
Product Details

45PTR Combined Phase Sequence/Failure & Thermistor Relay

Separate relay & LED operation for three phase monitoring 'V' & thermistor monitoring 'T'
The relay monitors the following:
Incorrect phase sequence/rotation
Threshold voltage 60% of 400Vac
Phase failure/loss
Phase under-voltage (0.6 x 400Vac)
Thermistor over-temperature
Thermistor open circuit
Thermistor short circuit
Output relay: 10A (thermistor)
Output relay: 10A (3 phase)

Additional features:

Power on LED indication
Write on ID tab
Dimensions: H78 x W45 x D99mm


Broyce Economical Range

LED indication
DIN rail mount with SPDT relay outputs and flame retardant to UL94 V0
Supply voltage variation range: 0.85 - 1.15 x Un
Operating temperature range: -20 to 60°C (629-831 and 629-847: -10 to +55°C)
Electrical life: 1.5 x 105 operations at rated load


Output relay contact rating specified at 250Vac

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Monitoring ApplicationPhase, Temperature
Supply Voltage230 V ac
Contact ConfigurationDPST
Electrical Phase3
Phase SensitivityPhase Loss, Phase Sequence
Time Delay15 ms
Temperature SensitivityOvertemperature
Operating Temperature Range-20 → +60 °C
Minimum Operating Temperature-20°C
Maximum Operating Temperature+60°C
Dimensions99 x 45 x 78 mm
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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 298-9371
    Description Broyce Control Phase, Temperature Monitoring Relay with DPST Contacts, 3 Phase, 230 V ac
    Manufacturer/Brand: Broyce Control
    Mfr. Part No. 45PTR 230VAC
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Dec 18, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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