Description
Sierra TG40050-1 SPDT Mom On-Off-Mom On Toggle Switch
The Sierra TG40050-1 is a standard marine toggle switch designed for 12VDC electrical control applications requiring an SPDT momentary On-Off-momentary On function. With 3 blade terminals, 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 TG40050-1 standard marine toggle switch
- SPDT momentary On-Off-momentary On switch function
- 3 blade terminals for compatible 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
- Rated for 25 amps at 12VDC
- Individually packaged replacement switch for service and rigging work
Fitment
- Brand: Sierra
- Part Number: TG40050-1
- Alternate Part Number: TG400501
- Product Type: Marine toggle switch
- Switch Function: SPDT momentary On-Off-momentary On
- Terminal Style: 3 blade terminals
- Electrical Rating: 25 amps at 12VDC
- Mounting Stem: 15/32 inch length with 15/32-32 thread
- Interchange Numbers: Sea-Dog 420109-1, Cole Hersee 54104-01
- Reference Number: 976443
- Application: Compatible marine electrical panels and 12VDC circuits where this exact SPDT momentary switch type is specified
Why You Should Buy
- Ideal replacement switch for marine circuits requiring momentary control in both directions
- SPDT 3-blade layout supports compatible dual-position control wiring needs
- Marine-ready materials support dependable use on boat panels and accessories
- Useful for repairs, refits, and custom 12VDC rigging applications
- Easy to confirm by matching Sierra part number TG40050-1, switch function, terminal count, mounting stem, and interchange numbers
Common Applications
- Boat dash and helm switch panels
- Marine accessory momentary control circuits
- Trim, lift, or directional control applications where this exact SPDT momentary switch is specified
- Outboard, sterndrive, and general marine rigging projects
- Applications requiring a 3-blade SPDT momentary On-Off-momentary On toggle switch
FAQ
- What switch function does Sierra TG40050-1 use? Sierra TG40050-1 uses an SPDT momentary On-Off-momentary On switch function.
- How many terminals does this switch have? This switch has 3 blade terminals.
- What is the electrical rating? Sierra TG40050-1 is rated for 25 amps at 12VDC.
- Is this switch illuminated? No, this is a standard non-illuminated toggle switch.
- What numbers does this switch interchange with? Common interchange numbers include Sea-Dog 420109-1 and Cole Hersee 54104-01 where specifications match.
- How do I confirm compatibility? Match part number TG40050-1, SPDT momentary function, 3-blade terminal layout, 15/32 inch mounting stem, electrical rating, and circuit requirements before installation.