PM-240 - Boltswitch Phase Failure Relay 240VAC 50/60Hz

PM-240

PM-240 is a phase failure relay designed to monitor three-phase AC power systems and detect voltage anomalies.

The PM-240 provides comprehensive protection by detecting under-voltage conditions, phase reversal, phase unbalance, phase loss, and complete power loss. The unit features adjustable settings for voltage monitoring, unbalance detection, and trip delay. All adjustment controls and LED indicators for voltage, unbalance, and time delay are mounted on the front panel for convenient field access. The relay operates across a nominal voltage range of 208 to 240 VAC at 50/60 Hz frequency and includes manual reset capability with a nominal reset time of 150 milliseconds.

• Nominal Voltage: 240 VAC
• Frequency: 50/60 Hz
• Under Voltage Range: 168-229V
• Unbalance Adjustment Range: 2 to 10 percent per NEMA specifications
• Trip Delay Adjustment Range: 1 to 10 seconds in 1 second increments
• Power Consumption: 4.5W per phase
• Repeat Accuracy: Plus or minus 1 percent of full scale
• Reset Time: 150 ms nominal
• Front-mounted adjustment potentiometers and LED indicators
• Detects phase loss, phase reversal, and phase unbalance conditions

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Specifications

• Part Number: PM-240
• Manufacturer : Boltswitch
• Brand : Boltswitch
• Category : Switch
• Item Subcategory : Parts & Accessories
• Section : Misc. Switch Part
• Family : Model PM
• Type : PM
• Compatible Frames : SFHA

Product Data

• Weight : 50