Generic 30/40A Bosch Style Relay

RL-40B

Suggested Addons

These Bosch 30/40 amp 5-pin relays are a staple of the automotive industry. They are useful for a number of wiring configurations included polarity reversing circuits.

Load pin (87) is rated for 40 amps; alternative load pin (87a) is rated for 30 amps.

  • 40 Amp Maximum Load
  • 30 Amp 5th Pin
  • Useful For Reversing Voltage
  • 30/40 Amp Relay
  • Part Number: RL-40B
  • Max. Voltage: 13.8 Volts DC
  • Max. Current: 30 Amps (Pin 87a), 40 Amps (Pin 87)
  • Money-Back Guarantee/Refund Policy
    All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform HornBlasters.com of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
  • Warranty
    This product is backed by our One-Year Manufactures Defect Warranty!
  • HornBlasters.com Satisfaction Guarantee
    HornBlasters.com offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
  • Cross-Shipments
    HornBlasters.com will not cross-ship returned merchandise.
  • Physical Damage Policy
    Physical damage to any product purchased at HornBlasters.com will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.

Warnings & Notices

Safety warning icon
Warning

This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.