single-pole single-throw

single-pole single-throw

[′siŋ·gəl ′pōl ′siŋ·gəl ′thrō]
(electricity)
A two-terminal switch or relay contact arrangement that opens or closes one circuit. Abbreviated SPST.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The VM3 Series snap-action switch offers a choice of single-pole single-throw or single-pole double-throw circuit.
* Availability in single-pole single-throw (Form A), single-pole, double throw (Form C), and multiple lead designs.
Like their larger siblings, reed relays offer three general-purpose contact configurations: normally open single-pole single-throw (NO SPST); normally closed single-pole single-throw (NC SPST) and single-pole double-throw (SPDT).
The most commonly used relays are single-pole single-throw normally open (SPST-NO, Form A) and single-pole double-throw (SPDT, Form C).
With service to 10 amps at 250 VAC, this new mountable power strip is constructed with four IEC 60320 standard Sheet F outlets, one IEC 60320 C14 inlet, and a single-pole single-throw circuit breaker.
It is offered as a single-pole single-throw version with a choice of two actuator heights: standard or raised.
With service to 10A at 250V AC, the mountable power strip is constructed with four IEC 60320 standard Sheet F outlets, one IEC 60320 C14 inlet, and a single-pole single-throw circuit breaker.
The IK2 is offered as a single-pole single-throw version, with a choice of two heights of actuator, standard or raised.

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