440N-Z21US2HN | Allen-Bradley Guardmaster Non-Contact Switch
Allen-Bradley · HMIs & Displays
Description The 440N-Z21US2HN is a safety-rated non-contact switch by Allen-Bradley, designed for machine guarding and access control in industrial automation environments. It uses solid-state switching for reliability and long operational life. Technical Specifications Condition New/Never Used Surplus Brand Allen-Bradley Category Safety Control Systems Part Number 440N-Z21US2HN Actuator Type Rectangular Contact Configuration 2 N.C. Safety, 1 N.O. Auxiliary Contact Type Solid State Voltage Range 20.4 – 26.4 VDC Connection Type 6 in. Pigtail with 8-pin M12 QD Material Plastic Standards Compliance CCC, CUL, UL Mounting Surface mount with quick-disconnect Weight 0.3300 lb Information About 440N-Z21US2HN The 440N-Z21US2HN is part of Allen-Bradley’s Guardmaster series, engineered for non-contact safety applications. This switch utilizes a rectangular actuator and supports a 6-inch pigtail cable with an 8-pin Micro (M12) connector for quick and secure installation. Its dual safety contacts (2 N.C.) and auxiliary output (1 N.O.) ensure dependable monitoring of guard positions. Constructed from durable plastic housing, the unit complies with CCC, CUL, and UL standards, making it suitable for use in regulated environments. Key Features: Non-Contact Operation: Enhances reliability and longevity by eliminating mechanical wear Dual Safety Outputs: 2 N.C. safety contacts plus 1 N.O. auxiliary contact for status signaling Standardized Connectivity: 6-inch pigtail with 8-pin M12 DC quick disconnect Solid-State Design: Reduces failure points and increases durability in high-cycle operations Certified Compliance: Meets CCC, CUL, and UL safety standards Compact & Rugged: Plastic housing for industrial durability in constrained spaces The 440N-Z21US2HN ensures reliable machine safety integration with quick-connect installation and fail-safe signal integrity.
Brand: Allen-Bradley · Category: HMIs & Displays
Key features
- Non-Contact Operation: Enhances reliability and longevity by eliminating mechanical wear
- Dual Safety Outputs: 2 N.C. safety contacts plus 1 N.O. auxiliary contact for status signaling
- Standardized Connectivity: 6-inch pigtail with 8-pin M12 DC quick disconnect
- Solid-State Design: Reduces failure points and increases durability in high-cycle operations
- Certified Compliance: Meets CCC, CUL, and UL safety standards
- Compact & Rugged: Plastic housing for industrial durability in constrained spaces
Specifications
| Manufacturer part number | 440N-Z21US2HN |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Safety Control Systems |
| Part Number | 440N-Z21US2HN |
| Actuator Type | Rectangular |
| Contact Configuration | 2 N.C. Safety, 1 N.O. Auxiliary |
| Contact Type | Solid State |
| Voltage Range | 20.4 – 26.4 VDC |
| Connection Type | 6 in. Pigtail with 8-pin M12 QD |
| Material | Plastic |
| Standards Compliance | CCC, CUL, UL |
| Mounting | Surface mount with quick-disconnect |
| Weight | 0.3300 lb |
| Product type | Safety Control Systems |
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