Stinger SPXSH440 SwitchHUB 4-Channel 100A Solid State Relay Block Replace up to four mechanical relays with one clean, silent, IPX6-rated solid state relay block 100A total continuous output, thermal and short circuit protection per channel, and direct integration with the Stinger SPXM1 powersports media centre. Product Overview The Stinger SPXSH440 SwitchHUB is a 4-channel solid state relay block designed to replace conventional mechanical relays in powersports, marine, and off-road vehicle installations. It delivers 100A of total continuous output across four independent channels (1x 40A and 3x 20A), with each channel individually controllable via positive or negative low-current trigger inputs. Unlike mechanical relays, solid state relays operate silently and produce minimal electrical interference. Each channel includes thermal overload and short circuit protection, with built-in LED indicators for at-a-glance status monitoring of active/inactive states and protection events. The SPXSH440 is designed for direct integration with the Stinger SPXM1 powersports media centre, allowing remote control of connected devices from the head unit itself. Please note: Each channel accepts either a negative or positive trigger input both cannot be used simultaneously on the same channel. Features & Benefits Replaces up to 4 mechanical relays in a single compact unit 4 independent solid state output channels 1x 40A output + 3x 20A outputs (100A total continuous) Positive or negative low-current trigger input per channel Thermal overload and short circuit protection per channel Active/inactive and thermal/short circuit LED status indicators Precision grub screw terminals for secure connections Silent operation — no mechanical relay noise or interference IPX6 rated — water and dust resistant for marine and off-road use Compatible with Stinger SPXM1 powersports media centre for direct device control Technical Specs Specification Detail SKU / Part Number SPXSH440 Brand Stinger Type Solid State Relay Block Output 1 40A Outputs 2–4 20A x 3 Total Continuous Output 100A Trigger Input Negative or positive low-current (per channel, not simultaneous) Input Channels 4x Negative + 4x Positive Trigger Inputs Protection Thermal overload and short circuit per channel Status Indicators Active/inactive LEDs + thermal/short circuit LEDs Terminals Precision grub screw IP Rating IPX6 Compatible Head Unit Stinger SPXM1 (direct remote control) What's in the Box 1x SPXSH440 Relay Block, 1x Quick Start Guide Compatible With / Goes Well With Direct Vehicle Fit: Universal — powersports vehicles, ATVs, UTVs, boats, marine vessels, 4x4 and off-road vehicles Goes Well With: Stinger SPXM1 2.7" powersports media centre (direct integration for device control) Stinger SPX350X2 powersports amplifier Stinger SPXULED1, SPXULEDA, SPXULEDB rock lights (switched control via relay outputs) 12V accessories and switched loads requiring high-current relay control Frequently Asked Questions What is the advantage of a solid state relay over a mechanical relay? Solid state relays have no moving parts, which means they operate silently and produce significantly less electrical interference than conventional mechanical relays. They are also more reliable over time as there are no contacts to wear out or corrode — particularly important in marine and off-road environments. Can I use both positive and negative triggers on the same channel simultaneously? No. Each channel accepts either a positive or a negative trigger input — both cannot be active on the same channel at the same time. Choose the trigger type that suits your installation for each channel independently. What does IPX6 mean for this relay block? IPX6 means the SPXSH440 is protected against powerful water jets from any direction. This makes it suitable for marine, powersports, and off-road installations where exposure to water spray, rain, and splash is expected. It is not rated for full submersion. Does this relay block work with head units other than the SPXM1? Yes. The SPXSH440 can be triggered by any 12V low-current positive or negative signal, making it compatible with a wide range of switches, head units, and control systems beyond the SPXM1. The SPXM1 integration allows for direct remote control from the head unit itself. How many total amps can the SPXSH440 handle continuously? The SPXSH440 provides 100A of total continuous output across all four channels — 40A on output 1 and 20A on each of outputs 2, 3, and 4.
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