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SKU: BAP228600
SL-4 Air Brake Stop Light Switch - 1/4 Inch NPT

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1+ $30.99
2+ $27.99
3+ $25.99

Stop light switches are electro-pneumatic switches which complete an electrical circuit together with the brake valve and stop lights when brakes are applied. When brakes are applied, the air flow coming from the brake valve gets in the cavity located below the diaphragm and the air pressure underneath the diaphragm surpass the spring force when it reaches approximately 5 PSI. It then pushes the piston until the contact points close, completing the stop light electrical circuit.

Comes with Safety Cap to Protect the Threads and Mechanism prior Installation.

Technical Specifications:

  • Supply Port: 1/4" NPT
  • Activation: ~5 PSI
  • Replaces Obsolete PN# 228600

May also Work as a Replacement for Part: BWP M-228600, K228600, Automann 170.228600, Velvac 036036, Bendix 228600, Euclid E-BN228600N, Dayton AV228600, 10-228600, Newstar S-A264, BWP M-228600. Replaced By Bendix 274746N.


prop65 100WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).

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