Sierra TG40030-1 SPST Momentary On-Off Toggle Switch The Sierra TG40030-1 is a standard marine toggle switch designed for 12VDC electrical control applications requiring a momentary On-Off SPST function. With 2 blade terminals, a black toggle handle, non-corrosive plastic construction, brass terminals, and silver contacts, this switch is a practical replacement for boat dash panels, accessory circuits, and marine rigging applications where this exact switch type is specified. Key Features Sierra TG40030-1 standard marine toggle switch SPST momentary On-Off switch function for compatible control circuits 2 blade terminals for basic marine electrical wiring applications Standard black toggle handle for a clean panel appearance Non-corrosive plastic construction suited for marine environments Brass blade terminals with silver contacts for reliable conductivity Designed for 12VDC marine electrical systems Product Details Brand: Sierra Part Number: TG40030-1 Product Type: Marine toggle switch Switch Function: SPST momentary On-Off Terminal Style: 2 blade terminals Handle Style: Standard black toggle Mounting Stem: 15/32 inch length with 15/32-32 thread Panel Hole Requirement: 15/32 inch diameter mounting hole Application: Compatible marine electrical panels and 12VDC circuits where this exact momentary switch type is specified Why You Should Buy Ideal replacement switch for marine circuits requiring momentary On-Off control Simple 2-blade SPST layout makes matching and installation straightforward Marine-ready construction supports dependable use on boat panels and accessories Useful for repairs, refits, and custom 12VDC rigging projects Easy to confirm by matching Sierra part number TG40030-1, SPST momentary function, terminal count, and mounting requirements Common Applications Boat dash and helm switch panels Marine accessory momentary control circuits 12VDC electrical switching applications Outboard, sterndrive, and general marine rigging projects Applications requiring a 2-blade SPST momentary On-Off toggle switch FAQ What switch function does Sierra TG40030-1 use? Sierra TG40030-1 uses an SPST momentary On-Off switch function. How many terminals does this switch have? This switch has 2 blade terminals. Is this switch illuminated? No, this is a standard non-illuminated toggle switch. What mounting hole size is required? This switch requires a 15/32 inch diameter panel mounting hole. How do I confirm compatibility? Match part number TG40030-1, SPST momentary On-Off function, 2-blade terminal layout, mounting stem size, panel hole size, and circuit requirements before installation.
