Contact for Pricing
Overview
- Monitors three-phase mains for phase failure
- Rated control supply voltage: 160-300 V AC (phase-to-phase)
- Frequency: 50/60 Hz
- Connection type: Push-in terminals
- Fixed thresholds and ON delay timing function
Specifications
Series | CM-PSS.31S |
Package Dimensions (L x W x H) | 1.18 IN x 3.82 IN x 4.29 IN |
Package Dimensions (L x W x H) | 2.9972 cm x 9.7028 cm x 10.8966 cm |
Package Weight (Imperial) | 1.000 L |
Package Weight (Metric) | 0.454 kg |
PLM9405
The PLM Series is a 3-phase voltage monitor that continuously monitors each of the three phases. Monitors both delta and wye systems and no connection to neutral is required. The microcontroller circuit design protects against undervoltage, voltage unbalance, phase loss and phase reversal. Protection is assured when regenerated voltages are present. Operation: The output relay is energized and the LED glows green when all voltages are acceptable and the phase sequence is correct. Under and unbalanced voltages must be sensed for a continuous trip delay period before the relay de-energizes. Reset is automatic upon correction of the fault condition. The output relay will not energize if a fault condition is sensed as power is applied. The LED flashes red during the trip delay, then glows red when the output de-energizes. The LED flashes green/red if phase reversal is sensed. Field Adjustment: Set voltage adjustment knob at the desired operating line voltage for the equipment. This adjustment automatically sets the undervoltage trip point. Apply power. If the PLM fails to energize, (LED glows red) check wiring of all 3 phases, voltage, and phase sequence. If phase sequence is incorrect, the LED flashes green/red. To correct this, swap any two line voltage connections at the mounting socket. No further adjustment should be required.
PMDU
Three Phase Monitor Relay; DIN-Mount; 190-500V; 10A DPDT; Phase Loss; Reversal; Unbalance; Under/Over Voltage
Frequently Asked Questions
What is the net weight of the product?
The product has a net weight of 0.09kg.
What functions does the three-phase monitoring relay perform?
It detects phase failure, monitors phase sequence, and monitors over/undervoltage.
What is the rated control supply voltage for this relay?
The rated control supply voltage is 208-480V AC.
What is the measuring range of the relay?
The measuring range is 208-480V AC.
What are the operating and storage temperature ranges?
The operating ambient air temperature is -25 to 55°C, and storage temperature is -40 to 70°C.
What are the dimensions of the product?
The product has a net width of 22.5mm, height of 90mm, and depth of 61mm.
What are the package dimensions?
The package has a width of 26mm, height of 104mm, and depth of 75mm.
What is the gross weight of the package?
The gross weight of the package is 0.11kg.
What type of terminals does this relay use?
This relay uses screw terminals.
What is the time range for the start-up delay?
The start-up delay time range is 0-500ms.
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