The Bender IRDH 250 MY is an insulation monitoring device from Bender, designed specifically for unearthed systems (IT systems). It is used for continuously monitoring the insulation resistance of AC main circuits and issues an alarm signal when the insulation value falls below a preset threshold, thereby ensuring the continuity and safety of the power supply.
Technical Specifications
· Response value: 10…100 kΩ (adjustable); test: 0 kΩ
· Rated system voltage: AC 50-60 Hz, 0…760 V
· Supply voltage: AC 50-60 Hz, 220 V
· Relay contact rating: AC 220 V, 5 A
Typical Applications
· Industrial IT systems
· Medical locations (operating theatres, ICUs)
· Marine and offshore applications
· Unearthed AC systems
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