Allen Bradley Guardmaster 440N Series RFID Non-Contact Safety Switch, 24V dc, Plastic Housing
- RS Stock No.:
- 751-0951
- Mfr. Part No.:
- 440N-Z21US2A
- Brand:
- Allen Bradley Guardmaster
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Subtotal (1 unit)*
£155.07
(exc. VAT)
£186.08
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 2 unit(s) ready to ship
- Plus 6 unit(s) shipping from 08 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £155.07 |
*price indicative
- RS Stock No.:
- 751-0951
- Mfr. Part No.:
- 440N-Z21US2A
- Brand:
- Allen Bradley Guardmaster
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Allen Bradley Guardmaster | |
| Supply Voltage | 24V dc | |
| Housing Material | Plastic | |
| Actuator Type | Unique Coded | |
| Safety Category | 4 | |
| Sensor Principle | RFID | |
| Actuator Included | Yes | |
| Range | Sensaguard | |
| Series | 440N | |
| Switching Distance | 18 mm | |
| IP Rating | IP69K | |
| Depth | 20.65mm | |
| Width | 24.99mm | |
| Length | 88.14mm | |
Select all | ||
|---|---|---|
Brand Allen Bradley Guardmaster | ||
Supply Voltage 24V dc | ||
Housing Material Plastic | ||
Actuator Type Unique Coded | ||
Safety Category 4 | ||
Sensor Principle RFID | ||
Actuator Included Yes | ||
Range Sensaguard | ||
Series 440N | ||
Switching Distance 18 mm | ||
IP Rating IP69K | ||
Depth 20.65mm | ||
Width 24.99mm | ||
Length 88.14mm | ||
RoHS Status: Exempt
- COO (Country of Origin):
- DM
Allen Bradley Guardmaster Sensaguard 440N RFID Non-Contact Safety Switch
Optimise your safety system and establish exceptional security for your machine guard with the Sensaguard RFID rectangular non-contact safety switch by Allen Bradley Guardmaster.
The Sensaguard safety switches have advanced latest generation Radio Frequency Identification technology for coding and inductive technology for sensing, making them highly tamper resistant and dependable. They feature a wide sensing range and tolerance to door misalignment. Designed to be installed on machine guard doors, these non-contact switches offer a superior level of security and protection to reduce risk of injury, damage to equipment, and overall downtime. The Sensaguard range is perfectly suited to meet a wide range of industrial applications.
Features and Benefits:
• Highly tamper-proof due to secure RFID sensing
• No dedicated controller is required
• Can be connected in series with other safety components (light curtain, E-stops, key interlock switches)
• LED is located on the switch for door status and fast diagnostics
• High IP69K environmental protection rating
• 3 PNP outputs (including 1 auxiliary)
• Multiple sensing directions offers greater flexibility
• Highly reliable due to short-circuit and over-voltage protection
• Uses the standard proximity brackets
• No dedicated controller is required
• Can be connected in series with other safety components (light curtain, E-stops, key interlock switches)
• LED is located on the switch for door status and fast diagnostics
• High IP69K environmental protection rating
• 3 PNP outputs (including 1 auxiliary)
• Multiple sensing directions offers greater flexibility
• Highly reliable due to short-circuit and over-voltage protection
• Uses the standard proximity brackets
Standards: EN 60947-5-3, IEC 61508, EN 954