ABB IWX 161a-R

Product Overview
The ABB IWX 161a-R is an insulation monitoring relay for unearthed IT power systems, built to comply with IEC, CE and marine electrical certification standards. Built for IT network insulation resistance monitoring, early insulation fault alarming, continuous earth leakage detection, this robust DIN-rail mounted relay withstands cabinet temperature fluctuation, dust and mechanical vibration, delivers stable 24/7 continuous operation, and serves as core safety hardware for marine power panels, offshore platforms, industrial ungrounded power distribution and battery systems.

Featuring high precision measuring circuit, adjustable insulation threshold setting, relay alarm output, and multi-color LED diagnostic status indicators. It supports standard DIN rail mounting inside electrical control cabinets, adapting to limited installation space in marine switchrooms and industrial power control cabinets. The modular assembly allows separate replacement of auxiliary terminals without full power system shutdown, greatly reducing equipment downtime for service. Equipped with cable break detection function, adjustable response delay & embedded self-diagnostic routine, mature hardware structure detects insulation degradation at an early stage and guarantees dependable IT system safety monitoring performance during continuous duty.

For dependable IT network insulation resistance monitoring, early insulation fault alarming, continuous earth leakage detection, IWX 161a-R continuously measures insulation resistance between live conductors and earth in ungrounded IT systems, triggers alarm signals when insulation drops below preset threshold, and tracks leakage capacitance changes to prevent dangerous double earth faults. Reliable IT network insulation resistance monitoring, early insulation fault alarming, continuous earth leakage detection, premium industrial-grade electronic components provide excellent long-term operational stability, extending service life in harsh marine and industrial power cabinet working environments. Practical cable break detection function, adjustable response delay & embedded self-diagnostic routine, maintenance technicians can verify alarm thresholds and inspect circuit health during routine electrical system inspection and overhaul.

During continuous IT network insulation resistance monitoring, early insulation fault alarming, continuous earth leakage detection, this insulation monitoring relay is fully compatible with ABB low voltage switchgear, SCADA alarm systems and marine IT power distribution networks. Stable IT network insulation resistance monitoring, early insulation fault alarming, continuous earth leakage detection, mature ABB insulation monitoring relay technology with easy spare parts replacement and convenient after-sales maintenance. Robust cable break detection function, adjustable response delay & embedded self-diagnostic routine, simplifies electrical cabinet layout and reduces installation workload for marine power system retrofitting and IT network safety overhaul projects.

Technical Specifications Brand: ABB Model: IWX 161a-R Product Type: Insulation Monitoring Relay for IT Power System Mounting: DIN rail mount Power Supply: 24V DC / 110-230V AC optional Communication: Relay dry contact alarm output Function: Insulation resistance measurement, earth leakage monitoring, insulation fault alarm, cable break detection, threshold adjustment, fault recording, self-diagnosis Protection: Vibration resistance, wide operating temperature, EMC anti-interference, IEC & CE marine approved Application Field: Marine ungrounded IT power system, offshore power distribution, industrial battery system, medical isolated power network, insulation relay spare replacement

Key Features Designed for IT network insulation resistance monitoring, early insulation fault alarming, continuous earth leakage detection, DIN rail mounted insulation monitoring relay for ungrounded IT power system safety application. Adopts precision measuring circuit, configurable alarm setpoint, dry contact signal output & front LED status indication, DIN rail installation simplifies layout and reduces wiring work. Equipped with cable break detection function, adjustable response delay & embedded self-diagnostic routine, mounting adapts limited marine and industrial electrical cabinet space. Modular structure allows terminal accessory replacement without full power system shutdown, cutting equipment downtime. Premium rugged industrial electronic components resist mechanical shock and temperature variation, stable performance under variable marine and industrial operating conditions and long-hour operation. Spare ABB IWX 161a-R relay for retrofitting and overhaul of IT network insulation monitoring and marine power safety systems.

Application Scope Power safety monitoring unit: insulation monitoring relay performing IT network insulation resistance monitoring, early insulation fault alarming, continuous earth leakage detection, monitors insulation health for ungrounded power systems to avoid catastrophic double earth faults for electrical operators. Compact DIN rail installation: integrated measurement and alarm circuit, dry contact output and diagnostic LEDs, slim plastic housing saves electrical cabinet installation space. Low-maintenance continuous operation: flexible alarm threshold configuration, fault status memory & embedded self-diagnostic routine, component replacement without dismantling the whole relay assembly. Spare-part maintenance: replacement ABB IWX 161a-R relay for overhaul and hardware renewal of marine and industrial IT power insulation monitoring systems.

Package & Delivery Each ABB IWX 161a-R insulation monitoring relay is packed with anti-static wrapping and shockproof export carton for electrical safety spare parts shipment. Complete delivery includes IWX 161a-R main relay unit; installation manual and maintenance guide are provided for reference. Matching wiring terminals and mounting accessories are available as optional spare parts.