ABB 3ASC25H203 Digital Input Module
The ABB 3ASC25H203 digital input module delivers reliable signal acquisition for industrial automation systems. Engineered for critical control applications, it ensures precise data collection from sensors and switches in manufacturing, energy management, and process automation environments.
| Technical Specifications | |
|---|---|
| Brand | ABB |
| Model | 3ASC25H203 |
| Module Type | Digital Input |
| Input Channels | 16 |
| Input Type | Dry Contact, TTL, NPN/PNP |
| Response Time | 1 ms |
| Certifications | CE, UL, CSA |


Applications & System Integration
Designed for seamless integration with ABB AC 800M controllers, this module is essential for:
- Safety Instrumented Systems (SIS)
- DCS/PLC redundancy configurations
- Motor control centers
- Process monitoring systems
Compatible with complementary modules: 3ASC25H201 (analog input), 3ASC25H204 (digital output).
Why Choose Hong Kong Saul Electric?
Hong Kong Saul Electric Co., Ltd. – Asia’s premier industrial automation supplier with 15+ years of expertise. Specialists in sourcing discontinued and hard-to-find components from 40+ global brands. As certified partners of ABB, Bentley Nevada, and TRICONEX, we provide:
- 1-year performance warranty on all components
- Technical support from installation to troubleshooting
- Expedited sourcing for obsolete or specialized parts
Contact us on WhatsApp for pricing
Email: 3931184055@qq.com | Official ABB Certified Partner



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