440K-H04036
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Overview of Allen Bradley 440K-H04036
The Allen Bradley 440K-H04036 is a manually operated, time-delay bolt safety interlock designed for use in hazardous locations. Part of the Guardmaster 440K-H Ex Centurion series, this switch is engineered to provide reliable machine guarding in potentially explosive atmospheres. Its robust construction meets strict ATEX certification standards, ensuring safe operation in environments where flammable gasses, dusts, or fibers may be present. The 440K-H04036 features a right-hand bolt mechanism, integrated for secure access control, and is typically used to protect personnel and equipment when safe entry to guarded zones is critical. With a durable die-cast alloy housing and a 2-meter PVC cable for flexible installation, this interlock is built for demanding industrial applications.
Key Features of Allen Bradley 440K-H04036
- Manually operated, time-delay bolt safety interlock for machine guarding
- Designed for hazardous locations—certified ATEX, suitable for explosive atmospheres
- Right-hand bolt actuation for secure, controlled access
- Die-cast alloy housing for durability and impact resistance
- One normally closed safety contact and one normally open auxiliary contact
- Break-before-make contact operation for safety compliance
- Integrated 2-meter PVC cable for flexible field wiring
- No integrated actuator—activated by external access mechanism
- Suitable for use in global markets with KC standard certification
- Red color coding for easy visual identification
Technical Specs of Allen Bradley 440K-H04036
| Feature | Specification |
|---|---|
| Product Family | EX Centurion (Right Hand Bolt Version) |
| Operation | Manually Operated Time Delay, Bolt |
| Certifications | ATEX, KC |
| Contact Configuration | 1 Normally Closed (Safety), 1 Normally Open (Auxiliary) |
| Connection | 2 Meter PVC Cable (6.5 ft) |
| Actuator | None (Requires External Mechanism) |
| Material | Die-Cast Alloy, Red Housing |
Applications / Use Case
The Allen Bradley 440K-H04036 is primarily used to enhance safety in industrial environments where hazardous conditions are present, such as oil and gas, chemical processing, pharmaceutical manufacturing, and grain handling. It is often installed on access doors, hatches, and guards for machines and equipment that require a secure interlock to prevent accidental exposure to moving parts or hazardous materials. The time-delay feature ensures that power and movement are safely de-energized while personnel are accessing or maintaining equipment, reducing the risk of injury or incident. Its ATEX certification makes it a preferred choice for international projects requiring compliance with European hazardous area standards.
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