Bently Nevada 3500/32M 125720-01 Spare 4-Channel Relay Output Module
A rear standard output module providing 4 relay outputs in the 3500/32M 4-Channel Relay Module platform.
Product Overview
3500/32M 125720-01 is the Bently Nevada spare 4-channel relay output module for the 3500/32M 4-Channel Relay Module. It serves as the rear standard output module in the relay assembly.
Standard-system output module; available for repair only. The complete part number must be matched with the correct companion module, channel configuration and field-wiring duty.
Performance
- 4 relay outputs.
- Each channel selectable normally energized or normally de-energized.
- Relay construction: Single-pole double-throw (SPDT), epoxy-sealed, 250 Vrms arc suppressor.
- Power characteristic: Provided through the companion relay control module.
- Operating range of -30 to +65 °C with 95% non-condensing humidity.
Technical Details
| Manufacturer | Bently Nevada, a Baker Hughes business |
|---|---|
| Part Number | 3500/32M 125720-01 |
| Product Family | 3500/32M 4-Channel Relay Module |
| Exact Product Type | Spare 4-Channel Relay Output Module |
| Assembly Position | rear standard output module |
| Channels | 4 relay outputs |
| Power | Provided through the companion relay control module |
| Relay Architecture | Single-pole double-throw (SPDT), epoxy-sealed, 250 Vrms arc suppressor |
| Operation | Each channel selectable normally energized or normally de-energized |
| Operating Temperature | -30 to +65 °C |
| Storage Temperature | -40 to +85 °C |
| Humidity | 95%, non-condensing |
| Integration | Use with the matching 3500/32M 149986-02 relay control module |
System Integration
- Use with the matching 3500/32M 149986-02 relay control module.
- Place 3500/32M 125720-01 in its documented rear standard output module rack position.
- Retain channel assignments, Alarm Drive Logic, voting rules and energized-state selections.
- Check field contact ratings and any hazardous-area or functional-safety voltage limits before energization.
Applications
- Machinery-protection alarm annunciation and shutdown logic.
- Programmable voting of alert, danger, Not-OK and measured-variable conditions.
- Relay interface between 3500 monitor logic and plant field circuits.
- Maintenance replacement in a documented Bently Nevada 3500 rack.
FAQ
What exact spare type is 3500/32M 125720-01?
3500/32M 125720-01 is the standard rear 4-channel relay output module and is listed as available for repair only.
Which front module must be matched with 3500/32M 125720-01?
3500/32M 125720-01 works with the 3500/32M 149986-02 relay control module.
What relay construction belongs to 3500/32M 125720-01?
3500/32M 125720-01 uses epoxy-sealed SPDT relays with a standard 250 Vrms arc suppressor.
Can 3500/32M 125720-01 replace the hazardous-area 125720-02 variant automatically?
No. 3500/32M 125720-01 is the standard variant; hazardous-area and functional-safety service requires the designated output module.
What physical data applies to 3500/32M 125720-01?
3500/32M 125720-01 measures 241 × 24.4 × 99.1 mm and weighs 0.4 kg.
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