SKU: SRE-440Alt SKU: SRE440MPN: SRE-440
sre-440 chint 40a 4p panel mounted door interlock isolator

sre-440 chint 40a 4p panel mounted door interlock isolator

Chint SRE-440 panel mounted door interlock isolator featuring a 40A current rating and 4 pole configuration for safe industrial electrical isolation.

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Why Choose the Chint SRE-440 Panel Mounted Door Interlock Isolator?

The Chint SRE-440 is a reliable 4 pole panel mounted door interlock isolator designed for safe manual isolation of electrical circuits in industrial, commercial and control panel applications. Manufactured by Chint, this rotary isolator provides dependable switching performance for machinery, switchboards and electrical distribution systems.

Designed to support operator safety, the SRE-440 includes a door interlock mechanism that helps prevent access to live equipment while the isolator is energised. Its panel mounting format makes it suitable for installation inside electrical enclosures, providing a secure and practical isolation solution for maintenance and servicing tasks.

With a 40 A current rating and 4 pole switching configuration, the Chint SRE-440 is ideal for isolating three-phase circuits where a neutral pole is also required. It is a dependable choice for panel builders, electrical engineers and maintenance teams requiring robust isolation in demanding environments.

Key Advantages

  • Reliable 4 pole panel mounted isolator for industrial circuit isolation.
  • 40 A current rating suitable for control panels and machinery applications.
  • Integrated door interlock mechanism helps improve operator safety.
  • Rotary operation provides clear and simple manual switching.
  • Suitable for safe isolation during maintenance and servicing.
  • Manufactured by Chint for dependable electrical performance.

Key Features

  • Chint SRE Series panel mounted door interlock isolator.
  • 40 A rated current.
  • 4 pole switching configuration.
  • Panel mounted design for electrical enclosures.
  • Door interlock function for improved safety.
  • Rotary isolator mechanism.
  • Suitable for three-phase electrical systems.
  • Robust construction for industrial applications.

Safe Electrical Isolation for Control Panels and Machinery

Panel mounted door interlock isolators are used to disconnect electrical supplies before maintenance, inspection or servicing work takes place. By providing a clear and secure means of isolation, they help reduce the risk of accidental contact with live circuits.

The Chint SRE range is widely used in industrial control panels and machinery installations where dependable manual isolation and operator safety are essential.

Typical Applications

  • Industrial control panels.
  • Machine isolation systems.
  • Electrical distribution boards.
  • Motor control centres.
  • Switchboards and panel assemblies.
  • Manufacturing and process equipment.

Technical Specifications

Current 40 A
Phase Three Phase
Manufacturer Chint
Series SRE
Model SRE-440
Product type Panel mounted door interlock isolator
Rated current 40 A
Number of poles 4 Pole
Operating mechanism Rotary
Mounting type Panel mounting
Application Electrical isolation
Suitable for Control panels, machinery and switchboards

Frequently Asked Questions

What is the Chint SRE-440 used for?

The SRE-440 is used to manually isolate electrical circuits for safe maintenance, servicing and equipment shutdown.

What is the current rating of the Chint SRE-440?

The Chint SRE-440 has a 40 A rated current.

How many poles does the SRE-440 have?

This model has a 4 pole switching configuration.

What does the door interlock function do?

The door interlock function helps prevent access to an electrical enclosure while the isolator is in the on position, improving operator safety.

Where is the SRE-440 typically installed?

It is typically installed in industrial control panels, machinery enclosures, switchboards and electrical distribution systems.

Trusted by Electrical Professionals Worldwide

Chint SRE series door interlock isolators are trusted by panel builders, maintenance engineers and electrical professionals for safe isolation, robust operation and dependable performance in industrial installations.

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