NO (Normally Open) Contact Module

Features

    Long Lifespan: Electrical life 100,000 cycles, customizable up to 1 million cycles.

    Easy Installation: Screw terminal wiring with modular plug-and-play design for convenient expansion.

    Advantage: Features high-conductivity contacts and a modular, tool-free snap-on design. Its failsafe construction ensures reliable circuit closing for maximum operational safety in any industrial environment.

Technical Profiles

    Industry Classification: NO Normally Open Contact Block Wholesale / Modular Push Button Contact Supplier

    Component Framework: Industrial Switch Auxiliary Contact for Standard 22mm Control Panels

    Operating Environment: Temperature: -25℃ to +70℃; Humidity: 95% (at 25℃, non-condensing)

    Safety Certification: Complies with IEC60947-5-1 / GB14048.5 standards; CCC and CE certified

    Commercial Delivery: Dispatched in secure industrial partitioned packaging, optimized to preserve terminal and contact alignment during intercontinental transit.

FAQ

Q1: What is the difference between a NO and NC contact module for push button switches?

A NO (normally open) contact module has an open circuit at rest — the circuit only closes while the button is pressed. A NC (normally closed) contact module has a closed circuit at rest — pressing the button opens it. NO contacts are used for START, trigger, and activation functions. NC contacts are used for STOP, interlock, and safety functions where the circuit must be broken on press.

Q2: Can I add a NO contact module to an existing push button switch that currently has only one contact block?

Yes. Additional contact modules can be stacked onto the rear of the switch frame without replacing the existing contact block or the head. This is useful when a panel function requires more switched circuits than the original assembly provided — for example, adding a second output to trigger an additional relay or PLC input.

Q3: Do I need to order a NO contact module separately if I buy a complete push button switch?

Complete push button switches from ACXION typically include contact blocks as part of the assembly. The standalone contact module is for panel builders who source heads, frames, and contact blocks separately, or who need replacement contact blocks for existing installations. Check the product listing of your complete switch to confirm what is included before ordering additional modules.

Q4: How many NO contact modules can be stacked onto a single push button switch body?

The number of stackable contact modules depends on the switch frame design. Contact us with your switch model and required contact configuration and we will confirm the maximum stack count and recommend the correct combination for your application.