MIL-PRF-24236 Switches, Thermostatic, \(Metallic And Bimetallic\), General Specification ForThis specification covers the general requirements for metallic-element actuated, thermostatic switches intended primarily for use in electrical and electronic equipment, in alternating current \(ac\) and direct current \(dc\) applications, where temperature protection, overheat detection, or accurate temperature control is required. The operating temperatures and operating temperature ranges of switches are covered by this specification \(see 3.1 and 6.2.2\).

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INCH-POUND

The prohibition of pure Tin (paragraph 3.4.2.2)

MIL-PRF-24236D

will go into effect on 1 July 2006.

5 April 2006

SUPERSEDING

MIL-PRF-24236C

3 September 1999

PERFORMANCE SPECIFICATION

SWITCHES, THERMOSTATIC, (METALLIC AND BIMETALLIC), GENERAL SPECIFICATION FOR

This specification is approved for use by all Departments and Agencies of the Department of Defense.

1. SCOPE

1.1 Scope. This specification covers the general requirements for metallic-element actuated, thermostatic

switches intended primarily for use in electrical and electronic equipment, in alternating current (ac) and direct current

(dc) applications, where temperature protection, overheat detection, or accurate temperature control is required. The

operating temperatures and operating temperature ranges of switches are covered by this specification (see 3.1 and

6.2.2).

1.2 Classification. Switches covered by this specification are to be classified by type and class as indicated herein

(see 3.1 and 6.2.2).

Type I

Snap action, make and break operation.

Type II

Slow make and break operation.

Class 1

Altitude - Sea level to 10,000 feet.

Vibration - 10-55 Hertz (Hz), .06 double amplitude.

Shock - 75g, 6 milliseconds (ms).

Class 2

Altitude - Sea level to 10,000 feet.

Vibration - 10-55 Hz, .06 double amplitude.

Shock-High impact.

Class 3

Altitude - Sea level to 70,000 feet.

Vibration - 10-500 Hz, 10g.

Shock - 75g, 6 ms.

Class 4

Altitude - Sea level to 70,000 feet.

Vibration - 10-2,000 Hz, 20g.

Shock - 100g, 6 ms.

Class 5

Altitude - Sea level to 100,000 feet.

Vibration - 10-3,000 Hz, 50g.

Shock - 500g, 1 ms.

Class 6

Altitude - Sea level to 100,000 feet.

Vibration - 10-2,000 Hz, 30g.

Shock - 100g, 6 ms.

Comments, suggestions or questions on this document should be addressed to Defense Supply Center Columbus,

ATTN: VAT, Post Office Box 3990, Columbus, OH 43218-3990, or emailed to switch@dla.mil. Since contact

information can change, you may want to verify the currency of this address information using the ASSIST Online

database at https://assist.daps.dla.mil/

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