ABB 1MRK002122-ABR02 Binary Output / Relay Module

Description

Technical Specifications

Electrical Parameters

• Output Type: Single‑pole, normally open (1NO) electromechanical relay output
• Rated Load Current: 25 A (resistive load)
• Rated Load Voltage: 250 V AC / 30 V DC
• Control Input: 24 V DC (industrial standard logic level)
• Isolation Voltage: Galvanic isolation between control circuit and load circuit (≥ 2.5 kV)
• Switching Capacity:
  • Resistive load: 25 A at 250 V AC
  • Inductive load: 4 A at 250 V AC
• Operating Voltage Range: 18–30 V DC
• Power Consumption: ≤ 5 W (low‑power design)
• Response Time: ≤ 10 ms (on/off switching)
• Mechanical Life: ≥ 10 million operations
• Electrical Life: ≥ 100,000 operations at full rated load

Mechanical & Environmental

• Dimensions: 74 mm (H) × 370 mm (W) × 361 mm (D)
• Weight: Approximately 1.52 kg
• Mounting: Direct plug‑in installation into REF54_ series protection device slots
• Operating Temperature: -25°C to +70°C
• Storage Temperature: -40°C to +85°C
• Humidity: 5–95% RH (non‑condensing)
• Vibration Resistance: Complies with IEC 60255‑21‑1 standards
• Shock Resistance: Complies with IEC 60255‑21‑2 standards
• Certifications: CE, IEC 61810, UL recognized

Key Features

• Galvanic Isolation: Provides complete electrical isolation between control and load circuits, protecting sensitive control electronics from high‑voltage transients and ground loops.
• High Switching Capacity: Supports 25 A resistive loads, enabling direct control of heavy industrial equipment without external contactors.
• Robust Relay Design: Industrial‑grade electromechanical relay with long mechanical and electrical life for continuous operation.
• Wide Temperature Range: Operates reliably in extreme environmental conditions from -25°C to +70°C.
• Plug‑and‑Play Installation: Designed for direct integration into REF54_ series protection devices, ensuring easy installation, replacement, and maintenance.
• Low Power Consumption: Minimizes energy usage and heat generation, supporting system energy efficiency.
• High Noise Immunity: Resistant to electromagnetic interference (EMI) and radio‑frequency interference (RFI), suitable for substation and industrial environments.
• Status Indication: Integrated LED indicators for output status and fault monitoring.

Application Scenarios

• Power Substation Automation: Primary output module for ABB REF541/543/545 feeder protection relays, controlling circuit breakers, disconnectors, and fault indicators in medium‑voltage distribution networks.
• Transformer Protection & Control: Drives alarm circuits, trip coils, and annunciator systems for transformer protection and monitoring.
• Industrial Motor Control: Directly controls motor starters, contactors, and emergency stop circuits in manufacturing and process industries.
• Power Distribution Systems: Switches capacitor banks, voltage regulators, and load break switches in utility and industrial power systems.
• Alarm & Annunciation Systems: Activates audible/visual alarms, status lights, and remote monitoring indicators in control rooms.
• Oil & Gas, Petrochemical Facilities: Controls valves, pumps, and safety interlocks in hazardous and remote process locations.
• Water & Wastewater Treatment: Operates process valves, level switches, and pump controls in SCADA‑integrated water management systems.
• Rail & Transportation: Drives signaling systems, track switches, and station control equipment in railway and mass transit infrastructure.