Best current price£139.48from Blueperry agriculture (UK)
Shopping.co.uk recommended and popular offers
Blueperry agriculture (UK)£139.48Visit shop Omron Limit Switch, Roller D4b4171n
Visit shop2 offers from £139.48 - £202.84
View price history by clicking the chart icon.
This Omron D4B-N Series safety switch, featuring a roller plunger and metal housing, is designed for industrial environments requiring robust protection and reliable operation. Its primary benefit is the IP67 rating, offering excellent resistance to dust and water ingress, making it suitable for harsh conditions. A potential caveat is its specialized torque switching function, which requires specific application knowledge. Key features include a durable metal casing, a roller plunger actuator, IP67 protection, and a single break contact, ensuring dependable safety interlocks.
| Series | D4B-N |
|---|---|
| Model Part Number | D4B-4171N |
| Brand | Omron |
IP67 indicates that the switch is dust-tight (complete protection against dust ingress) and protected against the effects of temporary immersion in water (up to 1 meter for 30 minutes).
Torque switching refers to a mechanism that activates the switch only when a certain level of rotational force or torque is applied to the actuator, rather than just linear displacement.
Yes, the switch is designed to operate reliably within a wide temperature range of -40°C to +80°C.
This specific model (D4B-4171N) features one break contact (normally closed), suitable for a single interlock function.
It features a standard cable entry for electrical connection, designed to maintain the IP67 rating when properly sealed.
The actuator head is typically designed for specific configurations and replacement may require specialized parts or replacement of the entire unit. Consult the manufacturer's detailed documentation.
The switch has dimensions of 40mm in width and 77mm in height (WxH).
Verify that the actuating mechanism is properly aligned and making full contact with the roller plunger. Check wiring connections and ensure the control circuit is powered. Confirm the torque switching threshold is being met.
Inspect the roller plunger for damage or obstruction. Check for loose wiring connections. Ensure the switch is securely mounted and not vibrating excessively. Verify operating temperature is within range.
Ensure the actuating mechanism has fully disengaged from the roller plunger. Check for any physical obstruction preventing the plunger from returning to its rest position. Examine the internal mechanism for damage if the issue persists.
Inspect the housing and cable entry for any cracks or damage. Ensure the cable entry gland is properly tightened and sealed around the cable. Replace the switch if the housing seal is compromised.
Setup:
Compatibility:
The D4B-N series switch is designed for industrial control circuits. Its single break contact is compatible with standard safety relay modules and programmable logic controllers (PLCs) that can interpret a break contact signal. Ensure voltage and current ratings are within the switch's specifications for your application.
Care:
