123 Specifications
Model 123
View Our Other Timer Models
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 10 seconds to 36 hours available.
Motor
Permanent magnet, 24 VAC, 115 VAC or 230 VAC nominal voltage inputs at 50 Hz, 60 Hz or 50/60 Hz. Motor leads 7" (177.8) long with .187 (4.75) strip standard. Quick connect terminals optional.
Shaft Rotation
Clockwise standard. Counterclockwise available with fixed cams. Low torque one-way clutch for manual setting.
Shaft Extensions
.248" (6.3) diameter steel shaft. 500" (12.7) long with .375" (9.35) flat. Other configurations available.
Mounting
Two #6-32 tapped holes adjacent to the shaft.
Agency Listings
UL recognized and CSA certified.
Applications
Commercial air conditioning, heat pumps.
Minimum Order Size
144 timers
View Our Other Timer Models
123
156-158
175-177
180
Custom Timing Solutions from a Proven Electromechanical Cam Timer Manufacturer
As a custom electromechanical cam timer manufacturer, Midwest Timer Service designs the Model 123 to meet OEM requirements for durability, repeatability, and long service life. This timer is built for equipment that depends on accurate mechanical sequencing and dependable switching performance across demanding duty cycles. OEMs choose the Model 123 when they need a configurable cam timer solution that supports consistent timing control without unnecessary complexity. With multiple configuration options available, this model can be tailored to match specific timing requirements for commercial and industrial systems.
Motor-Driven Cam Timer Built for OEM Integration
The Model 123 is a rugged motor-driven cam timer engineered for smooth, reliable mechanical operation in appliance and industrial environments. Its cam-driven switching design allows OEMs to control timed operations with precision, supporting repeatable cycle control in systems that require consistent sequencing. This design approach works well for manufacturers who need predictable operation and long-term reliability in production equipment, HVAC assemblies, and electromechanical control panels.
Electromechanical vs. Digital Timer Options
Compared to digital timers, the Model 123 provides a mechanical solution that is straightforward to integrate, simple to service, and resistant to environmental factors that can impact electronic components. Electromechanical cam timers remain a preferred option in applications where vibration, heat, or electrical noise can reduce the reliability of digital controls.
For OEMs building long-life equipment platforms, a cam timer design also offers predictable switching performance and consistent cycle timing without programming requirements. As an experienced custom electromechanical cam timer manufacturer, Midwest Timer Service supports OEMs with production-ready designs, dependable lead times, and timer solutions engineered for real-world operating conditions.
Request a Custom Cam Timer Consultation
Looking for a reliable motor-driven cam timer built to your exact specifications? Contact Midwest Timer Service today to discuss your OEM requirements, review timing parameters, and partner with a trusted custom electromechanical cam timer manufacturer for your next project.