156-158 Specifications
Model 156-158
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123
156-158
175-177
180
200-218
400
444
480
520
620
Switch
15 amp, 1/2 HP, 125/250 VAC.
Terminals
187" (4.75) male spade with .250" (6.35) terminals optional.
Time Ranges
Cycle times ranging from 6 seconds to 288 minutes are available.
Motor
Permanent magnet, 24 VAC, 115 VAC or 230 VAC nominal voltage inputs at 50 Hz, 60 Hz or 50/60 Hz. Motorleads 7" (177.8) long with .187 (4.75) strip standard. Quick connect terminals optional.
Shaft Rotation
Clockwise.
Shaft Extensions
Not applicable.
Mounting
Two #6-32 tapped holes in stud mounted parallel to the shaft
Agency Listings
UL recognized and CSA certified.
Applications
Heat pumps, food processing equipment.
Minimum Order Size
144 timers
View Our Other Timer Models
123
156-158
175-177
180
SPST Electromechanical Timer Built for OEM Control Applications
The Model 156-158 is a rugged SPST electromechanical timer designed for OEM equipment that requires dependable cycle timing and mechanical switching. Midwest Timer Service manufactures these timers for applications where reliability, repeatability, and long service life are non-negotiable. With a proven electromechanical design, the Model 156-158 supports consistent timed operation in demanding industrial and commercial environments.
For OEMs building equipment that relies on mechanical sequencing rather than programmable electronics, this timer provides stable performance and simplified integration into existing control assemblies.
Snap Action Switch Timer for Reliable Switching Performance
As a snap action switch timer, the Model 156-158 delivers clean, consistent switching response throughout the timer cycle. Snap action switching is commonly specified in OEM systems where positive contact movement and dependable electrical interruption are required. This makes the Model 156-158 a strong option for equipment designs that require high confidence switching in repetitive duty cycles.
The mechanical switching design also supports dependable performance in applications where electrical noise or heat may reduce the reliability of digital timer controls.
Common Applications Use Case
OEMs often use the Model 156-158 in appliance systems, commercial equipment, and industrial machinery that require timed on/off control. Typical applications include heating cycle sequencing and process-based switching.
Electromechanical vs. Digital Timer
Compared to digital timers, the Model 156-158 provides straightforward mechanical operation with consistent repeatability and minimal programming requirements. For OEM platforms designed around mechanical switching, an electromechanical timer can also simplify troubleshooting and long-term serviceability.
Request OEM Timer Support
Need a durable SPST electromechanical timer or a reliable snap action switch timer built for your equipment platform? Contact Midwest Timer Service today to discuss your specifications and explore OEM timer configurations engineered for long-term performance.