ABB CM‑MPS.23S 1SVR730885R4300 Three‑Phase Monitoring Relay

Description

Technical Specifications

Electrical Parameters

• Rated Operating Voltage: 3‑phase 180–280 V AC (L1‑L2‑L3‑N), 50/60/400 Hz
• Frequency Range: 400 Hz (compatible with standard industrial frequencies)
• Output Contact Configuration: 2 changeover (2CO / SPDT) contacts
• Contact Rating: 4 A at 250 V AC (resistive load)
• Tripping Delay: Adjustable from 0 (instantaneous) to 30 seconds
• Threshold Adjustment: User‑configurable overvoltage, undervoltage, and phase unbalance limits
• Power Consumption: ≤ 3 VA (typical)
• Insulation Voltage: 2.5 kV AC (input‑output)
• Dielectric Strength: 4 kV AC for 1 minute
• Response Time: ≤ 100 ms (fault detection)

Mechanical & Environmental

• Dimensions: 70 mm (H) × 22.5 mm (W) × 100 mm (D)
• Weight: Approx. 0.17 kg
• Mounting: DIN‑rail mount (TH35‑7.5/15, IEC 60715)
• Terminals: Screw terminals with double‑chamber cage design (torque: 0.5–0.8 N·m)
• Operating Temperature: -20 °C to +60 °C
• Storage Temperature: -40 °C to +85 °C
• Humidity: 10–90% RH (non‑condensing)
• Ingress Protection: IP20 (front face)
• EMC Compliance: EN 61000‑6‑2 (immunity), EN 61000‑6‑4 (emission)
• Certifications: CE, RoHS compliant

Key Features

• Comprehensive Three‑Phase Monitoring: Simultaneously detects overvoltage, undervoltage, phase unbalance, phase failure, incorrect phase sequence, and neutral interruption.
• Adjustable Parameters: Fully configurable voltage thresholds and tripping delays (0–30 s) to match specific application requirements.
• Flexible Output Configuration: Output contacts can be set as 1×2CO (common signal) or 2×1CO (separate over/undervoltage signals).
• Phase Sequence Correction: Supports automatic phase sequence correction for seamless operation with rotating machinery.
• Single‑Phase Compatibility: Operates reliably on single‑phase mains, expanding its application versatility.
• Secure Wiring: Double‑chamber cage screw terminals ensure stable, vibration‑resistant connections.
• Tamper‑Resistant Design: Optional sealable transparent cover prevents unauthorized parameter adjustments.
• LED Status Indicators: Visual feedback for power, normal operation, and fault conditions for quick diagnostics.
• Compact Form Factor: 22.5 mm width saves panel space, ideal for dense control cabinet installations.
• Industrial‑Grade Durability: Built to withstand harsh industrial environments with high vibration and temperature tolerance.

Application Scenarios

• Industrial Machinery: Protection for motors, pumps, compressors, and conveyor systems against phase loss and voltage anomalies.
• Manufacturing Lines: Ensures stable power supply for automated assembly lines, CNC machines, and robotic workcells.
• HVAC Systems: Monitors three‑phase power for air conditioning units, chillers, and ventilation systems.
• Data Centers: Safeguards critical server and UPS equipment from voltage fluctuations and phase failures.
• Commercial Buildings: Protects elevators, escalators, and fire safety systems from power supply faults.
• Water & Wastewater Treatment: Supervises pumps, blowers, and filtration equipment in treatment plants.
• Agricultural Equipment: Ensures reliable operation of irrigation systems, grain dryers, and farm machinery.
• Marine & Offshore: Monitors power systems on ships and offshore platforms, meeting marine environmental standards.
• Renewable Energy: Protects inverters and converters in solar and wind power installations.