440N-Z21SS2BN Allen Bradley Guardmaster Non-Contact RFID Safety Switch
Manufacturer: Allen-Bradley
Product No.: 440N-Z21SS2BN
Condition： In stock
Product Type: Safety Switch
Product Origin: USA
Payment: T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Product Overview
The 440N-Z21SS2BN is an advanced RFID non-contact safety switch engineered by Allen Bradley Guardmaster within the 440N Series. Designed for industrial machine guarding applications, this device utilizes high-coding RFID technology to prevent tampering and bypass attempts. Housed in a durable red plastic cuboid enclosure, it delivers reliable status monitoring for safety gates, doors, and machine enclosures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen Bradley Guardmaster |
| Model / Series | 440N-Z21SS2BN (440N Series) |
| Sensor Principle | RFID High-Coded |
| Switching Distance | 15 mm |
| Operating Voltage | 24V dc |
| Switching Current | 200 mA max |
| Safety Contacts | 2 NC (Normally Closed) |
| Auxiliary Contacts | 1 Auxiliary Contact |
| Safety Category | Category 4 / PL e per EN ISO 13849-1 |
| Enclosure Rating | IP69K |
| Housing Material & Color | Plastic, Red |
| Dimensions | Length: 88.14 mm, Width: 24.99 mm, Depth: 20.65 mm |
| Connection Type | Micro M12 Connector |
| Approvals | EN, CE |
Installation Guide
- Mount the 440N-Z21SS2BN sensor and actuator securely on rigid machine frames.
- Ensure proper alignment between the switch and the included coded actuator within the 15 mm sensing range.
- Connect the unit to your control system using a standard Micro M12 cable according to wiring diagrams.
- Verify mechanical clearance to prevent physical impact during heavy machine operation.
Commissioning & Maintenance Convenience
- Integrated LED indicators provide real-time status feedback for rapid diagnostics and troubleshooting.
- Plug-and-play Micro M12 connection simplifies wiring and reduces replacement downtime.
- Non-contact operation minimizes mechanical wear, extending service life in demanding industrial environments.
Compatibility Information
- Fully compatible with standard safety relays, safety PLCs, and safety input modules accepting 24V dc signals.
- Interoperable with other automation equipment requiring Category 4 safety monitoring.
Certification Information
- Meets essential European standards, bearing CE approval.
- Complies with EN standards for industrial control and safeguarding applications.
Package List
- 1 x 440N-Z21SS2BN RFID Safety Switch Sensor
- 1 x Matched Coded Actuator
- 1 x Instruction Manual
Buying Guide
When selecting a safety switch for your industrial setup, consider the physical operating environment and safety rating requirements. The 440N-Z21SS2BN from the 440N Series offers robust IP69K washdown protection and high-coding security, making it an ideal choice for packaging, food processing, and general manufacturing applications where hygiene and tamper resistance are critical.
Frequently Asked Questions (FAQ)
Q: What makes the 440N-Z21SS2BN superior to traditional mechanical safety switches?
A: RFID technology provides high coding resistance against tampering and bypass, while non-contact operation eliminates physical friction and wear.
Q: Can multiple switches be connected in series?
A: Yes, many safety controllers support series connection of compatible RFID safety sensors while maintaining high safety category ratings.
Q: What does the IP69K rating mean for practical installation?
A: IP69K ensures the sensor withstands high-pressure, high-temperature washdown procedures, ideal for washdown-frequent industries.
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Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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