Selec 600VPR-310/520-CE Voltage Protection Relay
Selec 600VPR-310/520 Voltage Protection Relay (3-Phase, 310–520V AC)
A compact DIN-rail-mounted 3-phase voltage protection relay that monitors under-voltage, over-voltage, phase sequence, and phase failure with adjustable trip delay.
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The Selec 600VPR-310/520 is a 3-phase voltage protection relay designed to protect industrial equipment from voltage abnormalities such as under-voltage, over-voltage, phase failure, and incorrect phase sequence. It supports an operating range of 310–520V AC, includes LED status indication, and mounts easily on DIN rail systems.
Key Features
Monitors under-voltage, over-voltage, phase sequence & phase failure
Wide operating voltage range: 310–520V AC
Adjustable trip delay: 0.2–10 sec
Auto reset on fault removal
LED indication for Power ON & Relay ON
Slim 17.5 mm DIN-rail mount design
High accuracy: ±0.5% (voltage trip), ±5% (time trip)
1 C/O (SPDT) relay output (NO: 5A, NC: 3A @ 250V AC)
Technical Specifications
| Specification | Details |
|---|---|
| Input Voltage Range | 310–520V AC |
| Nominal Input Voltage | 415V AC |
| Trip Accuracy (Voltage) | ±0.5% FS |
| Trip Accuracy (Time) | ±5% FS |
| Trip Delay | 0.2–10 sec |
| Power-ON Delay | 400 ms |
| Functions | Under-voltage, Over-voltage, phase sequence, and Phase Failure |
| Relay Output | 1 C/O (SPDT) |
| Relay Rating | NO 5A / NC 3A @ 250V AC |
| LED Indicators | ‘ON’ LED & ‘R’ LED |
| Operating Temp | 0–50°C |
| Storage Temp | -20 to 75°C |
| Humidity | 95% RH (non-condensing) |
| Protection | IP20 |
| Mounting | DIN Rail |
| Weight | 62 g |
| Compliance | IEC 61326-1, IEC 61010-1, EMC standards (Level 3) |
Applications
Industrial control panels
Motor protection systems
Pump and compressor panels
Distribution boards
Generator/ATS panels
HVAC systems
Any 3-phase equipment requiring voltage protection
What’s in the Box?
Selec 600VPR-310/520 Unit
Product datasheet
Warranty information
FAQ
Q1: What voltages does the 600VPR-310/520 support?
A: It operates from 310V to 520V AC (3-phase).
Q2: Does it automatically reset after a fault?
A: Yes, it features auto reset once the fault condition is cleared.
Q3: What protections does it provide?
A: Under-voltage, over-voltage, phase sequence, and phase failure.
Q4: Can it be DIN-rail mounted?
A: Yes, it comes with a 17.5 mm DIN-rail mount design.
Q5: What is the relay contact rating?
A: NO: 5A, NC: 3A @ 250V AC.