125712-01 Bently Nevada 3500/32 Relay I/O Module

Overview

The Bently Nevada 125712-01 3500/32 Channel Relay Module provides robust relay control for machinery protection and monitoring systems. Designed for seamless integration with the 3500 Series, it ensures reliable signaling and flexible configuration in industrial environments.

Key Features

• Dedicated LEDs for operational status: OK, TX/RX communication, and channel alarms

• Dual SPDT relays configured in DPDT for versatile switching

• Each channel configurable as Normally Energized (NE) or Normally De-energized (ND)

• High durability with 100,000 cycles rated at 5A, 24 VDC or 120 VAC

• Compact, lightweight design for easy installation in standard 3500 racks

• Reliable operation across wide temperature and humidity ranges

Technical Specifications

• Relay Type: Two SPDT relays in DPDT configuration

• Contact Life: 100,000 cycles @ 5A, 24 VDC or 120 VAC

• Operation Mode: Channel-selectable NE or ND

• LED Indicators: OK, TX/RX, Channel Alarm

• Operating Temperature: -30°C to +65°C

• Storage Temperature: -40°C to +85°C

• Humidity: Up to 95%, non-condensing

• Dimensions: 241 mm × 24.4 mm × 242 mm (9.50 in × 0.96 in × 9.52 in)

• Weight: 0.7 kg (1.6 lb)

Applications

The module is suited for:

• Machinery protection systems requiring relay-based alarms

• Integration in rotating equipment monitoring setups

• Redundant relay configurations for high-reliability systems

FAQ

Q1: What is the purpose of the 125712-01 module?
A1: It provides reliable relay outputs for alarm and control signals in 3500 series systems.

Q2: How many relay channels does it support?
A2: The module has four configurable relay channels.

Q3: Can each channel be configured independently?
A3: Yes, each channel can be set as Normally Energized or Normally De-energized.

Q4: Is it suitable for harsh industrial environments?
A4: Yes, it operates reliably from -30°C to +65°C and up to 95% humidity.