Product Overview
The Bently Nevada 125720-01 is a 4-Channel Relay I/O Module designed for critical industrial automation control systems. As a full-height module compatible with 3500 series racks, it delivers reliable relay output functionality for machinery protection and process monitoring applications. This module ensures precise signal management in demanding environments including power generation, oil & gas, and heavy manufacturing.
Technical Specifications
| Brand | Bently Nevada |
| Model Number | 125720-01 |
| Module Type | Data Manager I/O Module |
| Compatibility | 3500 Rack Systems |
| Interface Protocol | TDXnet, TDIX, DDIX |
| Dimensions | 24.2 x 11.2 x 2.5 cm (L x H x D) |
| Weight | 0.4 kg |



Applications & System Integration
This 4-channel relay module is engineered for integration with Bently Nevada 3500 monitoring systems in critical applications:
- Turbine vibration monitoring and protection systems
- Safety Instrumented Systems (SIS) redundancy configurations
- PLC/DCS control system interface modules
- Rotating machinery emergency shutdown circuits
Commonly paired with 3500/15, 3500/20, and 3500/22M frames. Compatible with all 3500 series processors and monitoring modules.
Why Choose Hong Kong Saul Electric?
Hong Kong Saul Electric Co., Ltd. is Asia’s premier industrial automation supplier with 15+ years of technical excellence. As a certified Bently Nevada partner, we maintain the region’s largest inventory of specialized automation components across 40+ brands.
Our services include:
- Expert pre-sales technical consultation
- 1-year comprehensive warranty on all components
- Priority sourcing for obsolete or hard-to-find modules
- Global shipping with real-time tracking
For pricing details or custom requirements: Contact us directly via WhatsApp
Email inquiries: 3931184055@qq.com
Can’t find your specific model? Our specialists will source it for you.




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