ABB 1MRK002122-ABR01 Replacement BIO Module for Relion 615

The ABB 1MRK002122-ABR01 Replacement BIO Module for Relion 615 is a binary input/output module from the ABB Relion 615 series, confirmed as a Binary I/O module by multiple sources. It interfaces digital control and status signals between protection relays and plant equipment, handling trip, close and status inputs/outputs within the protection scheme. Powered from 24 V DC and mounting on a DIN rail, it suits relay cabinets and substation panels where compact, reliable binary interfacing is required.

Key Specifications:

• Brand: ABB
• Model: 1MRK002122-ABR01
• Type: Binary Input/Output Module (BIO)
• System: Relion 615 series
• Function: Digital/binary signal interfacing for protection and control
• Supply Voltage: 24 V DC
• Dimensions: Approx. 90 × 180 × 70 mm
• Weight: Approx. 0.17 kg
• Mounting: DIN rail compatible
• Country of Origin: Switzerland

ABB 1MRK002122-ABR01 Replacement BIO Module for Relion 615 is the binary interface module of a Relion 615 relay scheme: it brings trip, close and status signals into and out of the protection IED, connecting the relay’s logic to circuit breakers and auxiliary devices. Its DIN-rail form factor and 24 V DC supply let it drop into standard relay cabinets alongside the protection hardware.