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Bently Nevada 3500/32M 149986-02+125720-01 Relay Module
Manufacturer: Bently Nevada
Product Number: 3500/32M (149986-02+125720-01)
Category: Relay Module (3500 Machinery Protection System)
Number of Relays: Up to 4
System Compatibility: Bently Nevada 3500 System
Function: Provides relay outputs for alarm and shutdown functions
Product Description
The Bently Nevada 3500/32M 149986-02+125720-01 Relay Module is a critical part of the Bently Nevada 3500 Machinery Protection System. It provides relay outputs for alarm and shutdown functions, supporting up to four relays that can be assigned to Alert, Danger, or custom logic. With its configurable logic, fail-safe design, and robust industrial-grade construction, the module ensures reliable machinery protection under demanding conditions. The included 125720-01 I/O module provides the electrical interface between the relay module and field wiring, ensuring dependable connectivity and performance.
Main Features
-
Four independent relays with configurable assignment
-
Fail-safe design to maintain machinery protection in case of power loss or module fault
-
Relay contact options supporting both Normally Open (NO) and Normally Closed (NC) circuits
-
Hot-swappable module design for replacement without shutting down the rack
-
Flexible relay logic for alarm, shutdown, and custom trip applications
-
Integrated with 125720-01 I/O module for secure wiring connections
-
Designed for continuous operation in harsh industrial environments
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 241 × 24.4 × 242 mm |
| Weight | 0.37 kg |
General Information
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model Number | 3500/32M 149986-02+125720-01 |
| Product Type | Relay Module with I/O Interface |
| Mounting Type | Half-height, rack-mounted |
| System Use | Part of 3500 Machinery Protection System |
Electrical Characteristics
| Item | Specification |
|---|---|
| Number of Relays | 4 independent relays |
| Relay Contact Types | Normally Open (NO) / Normally Closed (NC) |
| Contact Rating | 5 A at 24 VDC / 120 VAC |
| Relay Logic | Configurable through system software |
| Response Assignment | Alert, Danger, or custom conditions |
| I/O Module | 125720-01 for wiring interface |
Environmental Specifications
| Item | Specification |
|---|---|
| Operating Temperature | 0°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 10–90% RH (non-condensing) |
| Vibration | 5–150 Hz, 2G |
| Shock Resistance | 15G, 11 ms |
| Protection Class | IP20 |
Industry Applications
The Bently Nevada 3500/32M 149986-02+125720-01 Relay Module is widely used in machinery protection and safety systems across industries:
-
Oil & Gas: Protection for pumps, compressors, and turbines in refineries and pipelines
-
Power Generation: Trip functions for turbines, generators, and auxiliary equipment
-
Chemical Processing: Alarm and shutdown applications in reactors and rotating machinery
-
Mining and Metals: Equipment protection for crushers, mills, and material handling systems
-
Marine and Offshore: Machinery safety and trip systems for propulsion and auxiliary systems
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Bently Nevada 3500/32M 149986-02+125720-01 Relay Module
Manufacturer: Bently Nevada
Product Number: 3500/32M (149986-02+125720-01)
Category: Relay Module (3500 Machinery Protection System)
Number of Relays: Up to 4
System Compatibility: Bently Nevada 3500 System
Function: Provides relay outputs for alarm and shutdown functions
Product Description
The Bently Nevada 3500/32M 149986-02+125720-01 Relay Module is a critical part of the Bently Nevada 3500 Machinery Protection System. It provides relay outputs for alarm and shutdown functions, supporting up to four relays that can be assigned to Alert, Danger, or custom logic. With its configurable logic, fail-safe design, and robust industrial-grade construction, the module ensures reliable machinery protection under demanding conditions. The included 125720-01 I/O module provides the electrical interface between the relay module and field wiring, ensuring dependable connectivity and performance.
Main Features
-
Four independent relays with configurable assignment
-
Fail-safe design to maintain machinery protection in case of power loss or module fault
-
Relay contact options supporting both Normally Open (NO) and Normally Closed (NC) circuits
-
Hot-swappable module design for replacement without shutting down the rack
-
Flexible relay logic for alarm, shutdown, and custom trip applications
-
Integrated with 125720-01 I/O module for secure wiring connections
-
Designed for continuous operation in harsh industrial environments
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 241 × 24.4 × 242 mm |
| Weight | 0.37 kg |
General Information
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model Number | 3500/32M 149986-02+125720-01 |
| Product Type | Relay Module with I/O Interface |
| Mounting Type | Half-height, rack-mounted |
| System Use | Part of 3500 Machinery Protection System |
Electrical Characteristics
| Item | Specification |
|---|---|
| Number of Relays | 4 independent relays |
| Relay Contact Types | Normally Open (NO) / Normally Closed (NC) |
| Contact Rating | 5 A at 24 VDC / 120 VAC |
| Relay Logic | Configurable through system software |
| Response Assignment | Alert, Danger, or custom conditions |
| I/O Module | 125720-01 for wiring interface |
Environmental Specifications
| Item | Specification |
|---|---|
| Operating Temperature | 0°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 10–90% RH (non-condensing) |
| Vibration | 5–150 Hz, 2G |
| Shock Resistance | 15G, 11 ms |
| Protection Class | IP20 |
Industry Applications
The Bently Nevada 3500/32M 149986-02+125720-01 Relay Module is widely used in machinery protection and safety systems across industries:
-
Oil & Gas: Protection for pumps, compressors, and turbines in refineries and pipelines
-
Power Generation: Trip functions for turbines, generators, and auxiliary equipment
-
Chemical Processing: Alarm and shutdown applications in reactors and rotating machinery
-
Mining and Metals: Equipment protection for crushers, mills, and material handling systems
-
Marine and Offshore: Machinery safety and trip systems for propulsion and auxiliary systems
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