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Bender IRDH275B-435 Insulation Monitoring Device B91065101

Name: Bender IRDH275B-435 Insulation Monitoring Device B91065101
Brand: BENDER
SKU: 1181
Availability: InStock

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Specification Details
Brand: Bender
Model Series: IRDH275B-435
Part Number: B91065101
Rated Voltage Range: 3AC/AC 0…793 V/ DC0…650 V
Supply Voltage: AC88…264 V/ DC77…286 V(50/60 Hz)
Power Consumption: 8.0 VA
Relay Output Rating: AC 250 V / 5 A
Software Version: D159 V1.4
Certifications: CE, UL Listed, Lloyds Register
Status:- Used Excellent Working (As Per Photos)
Country of Origin:- Made In GERMANY
Shipping:- Fast & Safe Worldwide Shipping Available.

Brand	BENDER
Category	RELAY

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The Bender A-ISOMETER® IRDH275B-435 is a high-performance electrical safety relay engineered for continuous, real-time insulation resistance monitoring in unearthed systems (IT networks). Equipped with Bender’s cutting-edge AMPPlus measurement technology, this device handles the severe demands of complex industrial infrastructures featuring heavy rectifiers, electronic converters, and thyristor-controlled variable speed drives without accuracy compromises.

Designed with system resilience in mind, it provides immediate multi-stage warning indications via high-visibility LEDs and customizable onboard relays when insulation thresholds are breached. This "B" series variant includes a comprehensive alphanumeric LCD display, an isolated RS-485 network port, and data logging capabilities to capture critical system faults instantly.

Advanced AMPPlus Technology: Employs a patented measuring principle that automatically adapts to high system leakage capacitances in modern power networks.

Universal Network Support: Comprehensively monitors unearthed (IT) AC, AC/DC (0…793 V) and DC (0…650 V) main power circuits.

Real-Time Data & History: Integrated "B" version features an onboard history memory with a real-time clock to log timestamped alarm events.

Industrial Connectivity: Features a galvanically isolated RS-485 interface utilizing the BMS protocol for reliable cross-device communication.

Dual-Stage Protection: Provides two separately adjustable insulation response values (1 k?…10 M?) to set distinct pre-warnings and primary alarms.