A-B 100-EFA31 Auxiliary Contact Module with 3 NO and 1 NC Contacts
This auxiliary contact module is designed to enhance safety and functionality in industrial control systems by providing additional contact options for critical operations. It’s ideal for use in manufacturing plants, power stations, and automation environments.
Manufacturer: Rockwell Automation
Model: A-B 100-EFA31
Type: Auxiliary Contact Module
Number of Contacts: 3 NO, 1 NC
Current Rating: 16 A
Voltage Rating: 500 V AC
Operating Temperature: -40°C to +85°C
Material: High-grade stainless steel
The A-B 100-EFA31 Auxiliary Contact Module is an essential component in industrial control systems, offering robust and reliable signal indication. Meticulously crafted to meet stringent industrial standards, it ensures seamless integration into existing setups. Equipped with 3 Normally Open (NO) and 1 Normally Closed (NC) contacts, this module provides versatility for various applications including process control, safety interlocks, and machine safeguarding.
Built from high-quality materials, including durable plastic and metal alloys, the module ensures long-lasting performance even under harsh environmental conditions. Its compact size makes it easy to install in tight spaces without compromising on functionality. The IP65 rating guarantees protection against dust ingress and water jets from any direction, making it suitable for outdoor or washdown environments.
For maintenance purposes, the A-B 100-EFA31 is designed for straightforward installation and can be easily integrated into your control system. With its wide operating temperature range, it remains reliable in diverse environmental conditions.

Stoker Automation Technology, established for over 20 years, specializes in supplying industrial automation products. With a 5000 square meter warehouse, we provide a comprehensive range of products used across various industries. Our inventory includes discontinued control system parts, DCS system accessories, robot system components, and more. We pride ourselves on offering top-notch customer service and a 2-year warranty on select items. If you need assistance finding a specific model, feel free to contact us via email.








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