OEX Toggle Switch On/off Spst 12V Red Illuminated 20A Part No. ACX3891BL

The OEX Toggle Switch On/Off SPST is a 12V switch with contacts rated to 20A @ 12V, a 1 pole layout, and 2 positions. It is a compact automotive electrical accessory suited to installations where a simple on/off toggle with red illumination is required.

This switch uses 3 blade terminals, has a 12mm mount diameter, and is listed at 3mm mount length. Those dimensions matter when you are checking panel thickness, clearance behind the mounting surface, and whether your existing opening matches the switch body.

The part number is ACX3891BL and the unit of measure is each. It is an OEX product with a one year warranty, so it suits buyers who want a clearly identified replacement or a new fit-out component with documented electrical ratings rather than a generic unlisted switch.

Key Features

• 12V toggle switch
• 20A contact rating at 12V
• On/Off - SPST action
• 1 pole, 2 positions
• 3 blade terminals
• Red illuminated lamp

Specifications

• Brand: OEX
• Product type: Switch
• Switch type: Toggle
• Switch action: On - Off - SPST
• Voltage: 12V
• Power rating: 20A
• Number of poles: 1
• Number of positions: 2

Application and Buying Notes

Check the mounting hole before ordering, as this OEX toggle switch requires a 12mm mount diameter and is listed with a 3mm mount length. If the panel opening, bezel space, or rear clearance does not suit those dimensions, the switch may not sit correctly even if the wiring is suitable.

Confirm the electrical load against the 20A rating at 12V. That rating is the key point for matching the switch to the circuit it will control, and it should be treated as the contact rating for the intended application rather than a blanket match for every accessory setup.

The switch is a 1 pole, 2 position SPST design with 3 blade terminals, so it is intended for simple on/off control. Before purchase, compare your existing switch style and terminal count with ACX3891BL to make sure the function and wiring arrangement are aligned.

Because the lamp colour is red and the switch is illuminated, it is worth checking that your installation has the right visual indication for the vehicle or accessory panel. Illumination can be useful in low light, but the practical benefit depends on how and where the switch is fitted.

At only .02kg, it is a light component, but the key buying checks are still the same: the part number ACX3891BL, the 12V rating, the 20A contact rating, the 3 blade terminals, and the 12mm mounting requirement. Those details matter more than appearance when you are replacing a switch in an existing setup.

Before supply, the safest approach is to confirm the original unit details against the listed part number, voltage, output rating, mounting arrangement, and pulley configuration. That checking process is standard practice in the parts trade because visually similar units can still differ in service-critical ways.

For workshop, fleet, and equipment applications, accurate identification of part number ACX3891BL helps avoid unnecessary freight, additional labour, and vehicle or machine downtime. Where the application is not straightforward, the original unit, OEM reference, or workshop records should be used as the primary confirmation point.

Relevant published details for this unit include Type SWITCH, Unit of Measure EACH, Warranty One Year, Power Rating (Amp) 20, Voltage 12, Mount Diameter 12mm, Number of Poles 1, Switch Type Toggle, Weight .02kg, Product Group 1 AUTO ELEC ACCESSORIES.

Additional published details for cross-checking include Part No. ACX3891BL, Brand OEX, Description OEX Toggle Switch On/Off SPST 12V Red Illuminated (Contacts Rated 20A @ 12V), Number of Terminals 3, Switch Action On - Off - SPST, Lamp Colour/s Red, Mount Length 3mm, Number of Positions 2, Switch Illumination Illuminated.

OEX Toggle Switch On/Off SPST 12V Red Illuminated (Contacts Rated 20A @ 12V). Part number ACX3891BL should be checked first. Listed voltage is 12. Listed output rating is 20. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number ACX3891BL, the normal identification sequence is part number, electrical rating, mounting arrangement, connector or terminal style, and pulley or drive details. Using those checkpoints helps confirm that the listed unit matches the service requirement rather than only looking similar.

For a switch in workshop, fleet, trade, agricultural, or construction service, the listed voltage 12 and output 20 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Compatibility note: Confirm compatibility by matching part number ACX3891BL, 12V operation, 20A contact rating, 3 blade terminals, and the 12mm mount diameter against your existing application before ordering.

FAQ

What type of switch is this?

It is an OEX toggle switch with On - Off - SPST action, 1 pole, and 2 positions. For this listing, part number ACX3891BL is the main reference point. Listed voltage is 12. Listed output rating is 20. These details should still be checked against the original unit before ordering.

What electrical rating does it have?

The switch is rated at 20A at 12V. For this listing, part number ACX3891BL is the main reference point. Listed voltage is 12. Listed output rating is 20. These details should still be checked against the original unit before ordering.

How many terminals does it use?

It has 3 blade terminals. For this listing, part number ACX3891BL is the main reference point. Listed voltage is 12. Listed output rating is 20. These details should still be checked against the original unit before ordering.

What mounting hole size does it need?

The listed mount diameter is 12mm, with a mount length of 3mm. For this listing, part number ACX3891BL is the main reference point. Listed voltage is 12. Listed output rating is 20. These details should still be checked against the original unit before ordering.

Is the switch illuminated?

Yes. It is listed as illuminated with a red lamp colour. For this listing, part number ACX3891BL is the main reference point. Listed voltage is 12. Listed output rating is 20. These details should still be checked against the original unit before ordering.

What part number should I use to check compatibility?

The part number is ACX3891BL. Matching that number to your existing switch or application is the safest way to confirm fitment. For this listing, part number ACX3891BL is the main reference point. Listed voltage is 12. Listed output rating is 20. These details should still be checked against the original unit before ordering.