Omron D4NS Series Safety Interlock Switch, 2NC/1NO
- RS Stock No.:
 - 549-619
 - Distrelec Article No.:
 - 135-88-176
 - Mfr. Part No.:
 - D4NS-4CF
 - Brand:
 - Omron
 
Subtotal (1 unit)*
£34.57
(exc. VAT)
£41.48
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 64 unit(s) ready to ship
 - Plus 47 unit(s) ready to ship from another location
 - Plus 19 unit(s) shipping from 30 December 2025
 
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units  | Per unit  | 
|---|---|
| 1 + | £34.57 | 
*price indicative
- RS Stock No.:
 - 549-619
 - Distrelec Article No.:
 - 135-88-176
 - Mfr. Part No.:
 - D4NS-4CF
 - Brand:
 - Omron
 
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all  | Attribute | Value | 
|---|---|---|
| Brand | Omron | |
| Series | D4NS | |
| Safety Contacts | NO/2NC | |
| Conduit Entry | M20 | |
| Normal State Configuration | 2NC/1NO | |
| Housing Material | Plastic | |
| IP Rating | IP67 | |
| Maximum AC Voltage | 240V | |
| Maximum DC Voltage | 250V | |
| Length | 96mm | |
| Width | 31mm | |
| Depth | 30mm | |
| Select all | ||
|---|---|---|
Brand Omron  | ||
Series D4NS  | ||
Safety Contacts NO/2NC  | ||
Conduit Entry M20  | ||
Normal State Configuration 2NC/1NO  | ||
Housing Material Plastic  | ||
IP Rating IP67  | ||
Maximum AC Voltage 240V  | ||
Maximum DC Voltage 250V  | ||
Length 96mm  | ||
Width 31mm  | ||
Depth 30mm  | ||
- COO (Country of Origin):
 - JP
 
Omron D4NS Series Safety Interlock Switch, 2NC/1NO, IP67 - D4NS-4CF
This safety interlock switch is designed to ensure high operational safety in industrial settings. Its durable plastic housing provides effective protection against dust and water ingress, making it suitable for various applications that require rigorous safety standards. Featuring dual safety contacts, this device improves system efficiency and reliability in automation processes.
Features & Benefits
• Utilises dual NC contacts for dependable performance 
• IP67 rated housing safeguards against moisture and dust
• Simplified installation with M12 connectors available
• High contact reliability featuring gold-clad connections
• Compatible with both standard and micro-load operations
• Flexible installation options with versatile mounting directions
• IP67 rated housing safeguards against moisture and dust
• Simplified installation with M12 connectors available
• High contact reliability featuring gold-clad connections
• Compatible with both standard and micro-load operations
• Flexible installation options with versatile mounting directions
Applications
• Safety door applications on machinery 
• Automation systems requiring safety interlocks
• Environments exposed to dust and water
• Heavy-duty industrial machinery needing interlock solutions
• Automation systems requiring safety interlocks
• Environments exposed to dust and water
• Heavy-duty industrial machinery needing interlock solutions
What is the operational temperature range for the switch?
The switch operates effectively in temperatures from -30 to 70°C.
How to prevent water ingress while using the switch?
Ensure that the cover is securely attached and check that no foreign materials enter through the keyhole to maintain the IP67 rating.
Are there specific terminals recommended for use?
Using recommended terminals with a thickness of 0.5mm or less is advisable to avoid compatibility issues.
What should be consider for installation regarding the mounting direction?
The head can be mounted in four possible directions, allowing flexibility for various installation scenarios.
Can this device handle varying load types?
Yes, it is designed to operate with both standard and micro-loads, providing versatility in applications.
Related links
- Omron D4NS Series Safety Interlock Switch, 2NC/1NO
 - Omron D4NS Series Safety Interlock Switch, 1NC/1NO
 - Omron D4NS Series Safety Interlock Switch, 2NC
 - Omron D4NS Series Safety Interlock Switch, 3NC
 - Omron D4NS Safety Interlock Switch Plastic
 - Omron D4NS Safety Interlock Switch Key, Plastic
 - Omron D4NS Safety Interlock Switch Key Key
 - Omron D4NS Solenoid Interlock Switch Plastic, Solenoid Lock
 
