121442RX778 The APEM Inc. 121442RX778 is a double pole toggle switch designed for durability and versatility. It offers easy control of lights and motors with a comfortable lever operation.
Mfr Part #:

121442RX778

Available from 1 distributors
Mfr Name: APEM Inc.
APEM Inc.
The APEM Inc. 121442RX778 is a double pole toggle switch designed for durability and versatility. It offers easy control of lights and motors with a comfortable lever operation.
✓ Total Stock: 1 pcs
$ Price Range: $1.00

121442RX778 Available from 1 distributor

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✓ Non-Authorised
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121442RX778 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Function
Insulation Resistance
Mounting Type
Number of Poles
Operating Temperature
Panel Thickness
Termination Style
Torque

121442RX778 Description

Short technical summary and product information.

The APEM Inc. 121442RX778 is a double pole toggle switch from the 12000X778 series. It features solder lug terminals and a standard lever for operation. This switch is rated for a maximum current of 4A at 28VDC with a resistive load and has an electrical life of up to 20,000 cycles at this rating.

 

Designed for harsh environments, it has an operating temperature range of -40°C to +85°C and meets stringent environmental specifications including shock, vibration, and humidity tests. The front panel sealing provides protection against dust and moisture, withstanding 1 bar of pressure. The switch has a panel thickness accommodation of 3 mm to 8 mm.

 

Key electrical specifications include a minimum load of 10mA 50mV, initial contact resistance of 10 mΩ max, and insulation resistance of 1,000 MΩ min at 500VDC. It also features a contact bounce of 2 ms max. The switch conforms to MIL specifications and is CECC approved, highlighting its reliability for demanding applications.

121442RX778 Quick Information

Product Type: Toggle Switch
Canonical Name: APEM Inc. 121442RX778 Toggle Switch
Subcategory: Terminal Strips and Turret Boards

121442RX778 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

121442RX778 Estimated Pricing

Qty Low High
1+ $1.00 $1.00

Estimated market price range - modelled values for guidance only, not live distributor offers.

121442RX778 Features

  • Double pole toggle switch design.
  • Rated for 4A at 28VDC resistive load.
  • Solder lug terminals for secure connections.
  • Wide operating temperature range: -40°C to +85°C.
  • Panel sealed for environmental protection.

121442RX778 Applications

  • Ideal for controlling lights and motors.
  • Suitable for harsh industrial environments.
  • Used in defense and e-transportation applications.
  • Reliable for demanding electronic circuits.

121442RX778 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum current and voltage rating for this toggle switch?

The maximum current/voltage rating with a resistive load is 4A 28VDC.

What are the electrical functions of the 121442RX778 toggle switch?

The electrical functions are ON ON ON, with a momentary function option of MOM ON MOM.

What is the operating temperature range for this APEM toggle switch?

The operating temperature range is -40°C to +85°C.

How many poles does the 121442RX778 switch have?

This switch features a double pole design.

What type of terminals does this switch use?

The switch uses solder lug terminals.

What is the electrical life of the 121442RX778 at 4A 28VDC?

The electrical life at 4A 28VDC is 20,000 cycles.

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