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Product Description
The Supco ST103 is an electromechanical timer switch designed for various applications. This model operates at one hundred twenty volts with a current rating of forty amps. It features a double pole single throw design and is suitable for both indoor and outdoor setups. The timer offers up to ten operations with a minimum on time of one hour and a minimum off time of two hours.
- Operates at 120 volts and 40 amps
- Enclosure rating of NEMA 1
- Suitable for pool filter pumps, lighting, and sprinkler systems
Product Highlights
This timer switch provides reliable control for applications such as off-cycle defrost and greenhouse ventilation. Its compact steel design ensures durability in various environments.
Product Highlights
The Supco UET120 serves diverse industrial applications, including refrigeration and HVAC systems. Its long-lasting solid-state construction allows for reliable performance across multiple installations.
Product Information
Standard Information
- Brand: Supco
- MPN: UET120
- Part Number: SUET120
Product Information
Standard Information
- Brand: ICM Controls
- MPN: ICM253
- Category: HVAC Controls
Installation & Operation Notes:
- Disconnect power at all sources and verify that all circuits are de-energized before starting work
- Mount the contactor securely in the control compartment or electrical panel as directed by the equipment manufacturer
- Move line, load, and control wires from the existing contactor to the new contactor, matching wiring diagrams and terminal markings
- After energizing the system, verify that the contactor pulls in and opens cleanly, with proper operation during system start and stop cycles
- Confirm that all terminations are tight and that wiring is supported to prevent strain at the terminals
Maintenance & Troubleshooting:
- Inspect the contactor during routine HVAC maintenance for pitted or burned contacts, coil discoloration, or mechanical binding
- Replace the contactor if the coil fails to energize, if the contacts do not close fully, or if there is evidence of overheating or excessive humming
- If repeated contactor issues occur, verify that load current and control voltage are within specification and that short cycling is not overstressing the contactor
Certifications & Compliance:
- Meets ARI 780/790 Standard
User Reviews & Q&A Summary:
- Common theme is "correct part" for the intended replacement, with users reporting it worked as expected after installation
- Review feedback frequently mentions straightforward installation for a direct replacement
- Value and fulfillment are recurring positives (good deal/price and fast shipping)
Product Highlights
18/240 VACÂ Â Â Â 
1.5 Amps     
2" x 2"Â
Specs
| Time Delay: | .03-10 Min Knob Adjustable |
|---|---|
| Product Type: | Delay on Break |
| Wiring: | 6" Wire Leads 2 Wire |
| Voltage: | 18/240 VAC |
| Amperage: | 1.5 |
| Amp Inrush: | 15 |
| Frequency: | 50-60 Hz |
| Voltage Drop: | 3.5 V typical 4.5 V maximum @ 1.5amps |
| Holding Current: | 40 mA (minimum) |
| Size: | 2" x 2" |
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