High-Current Solid State Relay 35A x4 - Black

Brand MSD Reference 75643-HC

High-Current Solid State Relay 35A x4 - Black (ref. 75643-HC). MSD ignition box or module for tuned and competition engines. Available from JDM Distribution, wholesaler for professionals. Delivery across Europe.

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Added to the next production schedule Manufactured on 27/11/2026
This product is out of stock at our supplier. Estimated delivery on Dec 4, 2026
This lead time is an estimate and may change due to circumstances beyond our control

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High-Current Solid State Relay 35A x4 - Black

MSD ignition box or module for tuned and competition engines. Ideal for upgrading and strengthening the ignition of a modified engine.

Key features

  • Combined total continuous current rating of 140 amps
  • Single wire activation by switching power or ground
  • Available in Red or Black
  • Channels can be run in parallel for devices requiring more than 35 Amp single-channel rating
  • Operates from 7-Volts to 20-Volt supply
  • 4 Independent Channels, 35 Amps each continuous or 100 Amps for 8 seconds

Specifications

  • Colour: black
  • Warranty: 1 year, limited manufacturer warranty
  • Package (L × W × H): 16.8 × 10.9 × 8.4 cm
  • Weight: 320 g

Good to know

  • Amperage rating is per channel *Recommended Wire Gauge: Main Input BATT + - 2 AWG Channel 1-4 Outputs - 8 AWG 12 Volt and Ground Activation Wires - 18-22 AWG

ref. 75643-HC. Available from JDM Distribution, wholesaler for professionals. Delivery across Europe.

Product family: Engine
Engine Module/boîtier d'allumage
Color: Black
Produit mis à jour le: 2026-10-21 13:48:56