OEX Emergency Stop Switch On-off/off-on 3A 12V/24V Part No. ACX3438

The OEX Emergency Stop Switch is a latching push button switch with an On-Off/Off-On action, rated at 3A and suitable for 12V or 24V systems. It uses 2 terminals, has 1 normally closed contact and 1 normally open contact, and is identified by part number ACX3438.

This switch features a 40mm diameter mushroom head and a weather proof IP65 enclosure, which makes it suitable for internal or external mounting where resistance to dust and water exposure is important. The unit is non-illuminated and weighs 0.3kg.

With a 69mm x 86mm size, the switch suits applications where a compact emergency stop control is required and the mounting space is already known. It is sold as each and carries a one year warranty.

Key Features

• Emergency stop switch
• On-Off/Off-On switch action
• 3A contact rating
• Suitable for 12V or 24V systems
• IP65 weather proof enclosure
• 40mm mushroom head latching push button

Specifications

• Brand: OEX
• Part No.: ACX3438
• Type: Switch
• Switch type: Emergency Stop
• Switch action: On-Off/Off-On
• Power rating: 3A
• Voltage: 12V or 24V
• Number of poles: 1

Application and Buying Notes

Before ordering, confirm the part number ACX3438 matches the switch you are replacing and check that the application is designed for a 3A emergency stop switch on a 12V or 24V circuit. The electrical rating, terminal count, and On-Off/Off-On action all need to suit the existing control setup.

Measure the available mounting space carefully. This unit is listed at 69mm x 86mm with a 40mm mushroom head, so the panel opening, bezel space, and rear clearance should be checked against the vehicle or equipment it will be fitted to.

The switch is rated IP65, which is useful where the mounting point may be exposed to dust or water spray, but the installation still needs to be appropriate for the environment. If the original switch is illuminated, note that this one is non-illuminated and lamp colour is not applicable.

Because this is a latching emergency stop design with turn-to-release operation, it should only be used where that style of control is required. Verify the number of poles, terminal arrangement, and contact style before purchase, especially if the original unit uses a different internal switching layout.

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 ACX3438 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) 3, Voltage 12 or 24, Number of Poles 1, Switch Type Emergency Stop, Weight .3kg, Product Group 1 AUTO ELEC ACCESSORIES, Part No. ACX3438.

Additional published details for cross-checking include Brand OEX, Description OEX Emergency Stop Switch On - Off /Off - On (Contacts Rated 3A @ 24V), Number of Terminals 2, Switch Action On - Off /Off - On, Lamp Colour/s Not Applicable, Number of Positions 2, Switch Illumination Non Illuminated, Product Group 2 FUSES BREAKERS RELAYS SWITCHES.

OEX Emergency Stop Switch On - Off /Off - On (Contacts Rated 3A @ 24V). Part number ACX3438 should be checked first. Listed voltage is 12 or 24. Listed output rating is 3. These details form the core reference points used by parts interpreters when confirming the correct replacement.

For part number ACX3438, 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 or 24 and output 3 should be checked carefully. Incorrect selection can affect installation time, return freight, and equipment availability.

Where no verified application list is available, the part number, mounting details, connector style, and published specifications should be used as the primary selection criteria.

Compatibility note: Confirm compatibility by matching part number ACX3438, the On-Off/Off-On switch action, 3A rating, 12V or 24V electrical requirement, 2 terminals, and the listed 69mm x 86mm dimensions before ordering.

FAQ

What is the part number for this OEX emergency stop switch?

The part number is ACX3438. For this listing, part number ACX3438 is the main reference point. Listed voltage is 12 or 24. Listed output rating is 3. These details should still be checked against the original unit before ordering.

Is this switch suitable for 12V or 24V systems?

Yes. The listed voltage is 12V or 24V. For this listing, part number ACX3438 is the main reference point. Listed voltage is 12 or 24. Listed output rating is 3. These details should still be checked against the original unit before ordering.

What is the current rating of the switch?

It is rated at 3A. For this listing, part number ACX3438 is the main reference point. Listed voltage is 12 or 24. Listed output rating is 3. These details should still be checked against the original unit before ordering.

How many terminals does the switch have?

It has 2 terminals. For this listing, part number ACX3438 is the main reference point. Listed voltage is 12 or 24. Listed output rating is 3. These details should still be checked against the original unit before ordering.

Is the switch illuminated?

No. The switch is listed as non illuminated and lamp colour is not applicable. For this listing, part number ACX3438 is the main reference point. Listed voltage is 12 or 24. Listed output rating is 3. These details should still be checked against the original unit before ordering.

What size is the switch?

The listed dimensions are 69mm x 86mm, and the mushroom head diameter is 40mm. For this listing, part number ACX3438 is the main reference point. Listed voltage is 12 or 24. Listed output rating is 3. These details should still be checked against the original unit before ordering.