ALSTOM N897164611M Power Supply Module

Overview

This module accepts a wide range of AC or DC input voltages and converts them to isolated DC outputs required by the relay electronics, communication modules, and I/O boards. It features high efficiency, low ripple, and built-in protection against overcurrent, overvoltage, and short circuits. The N897164611M can be mounted on a DIN rail or integrated into a relay case, providing flexibility for new installations and retrofits.

Key Features

• Wide Input Range: Accepts 85-264 VAC (47-63 Hz) or 88-300 VDC.

• Regulated Output: Provides +5 VDC and ±15 VDC (or 24 VDC) depending on variant.

• Output Power: Up to 40 W continuous.

• Isolation: 3 kV input-to-output isolation.

• Protection Features: Overcurrent, overvoltage, and thermal shutdown with automatic recovery.

• LED Indicators: Power OK, output OK, and fault status.

• Compact Size: Slim design for space-saving installation.

• Operating Temperature: -30°C to +70°C.

Technical Specifications

• Input Voltage: 85-264 VAC or 88-300 VDC.

• Outputs: +5 VDC @ 4 A, ±15 VDC @ 0.5 A (or 24 VDC @ 1.7 A).

• Ripple & Noise: < 50 mV p-p.

• Efficiency: > 80% typical.

• Hold-up Time: > 20 ms at full load.

• Dielectric Strength: 3000 VAC input-to-output, 1500 VAC input-to-ground.

• MTBF: > 200,000 hours.

• Certifications: UL, CSA, CE, IEC 61000-6-2.

Applications

The N897164611M is used in various protection and control schemes where reliable power is essential:

• Supplying ALSTOM MicOM relays in substations.

• Powering communication converters and I/O expansion modules.

• Retrofit of older relays with modern power supplies.

• Backup power for critical protection functions.

Installation and Integration

The module is designed for easy installation on standard DIN rail (35 mm) or direct panel mounting. It features pluggable terminal blocks for input and output connections, simplifying wiring and maintenance. The N897164611M can be used with any ALSTOM relay that requires external DC power, or as a standalone supply for auxiliary equipment. Its robust design ensures reliable start-up even at low temperatures and immunity to electrical noise.

In summary, the ALSTOM N897164611M power supply module delivers dependable power for protection systems, enhancing overall system availability and reducing downtime.