T678A1437
Honeywell Remote Bulb Temperature Controller T678A1437
Honeywell
Honeywell Remote Bulb Temperature Controller T678A1437
['Home', 'Honeywell', 'T678A1437'] Need Honeywell T678A1437? Remote Bulb Temperature Controller for HVAC and industrial heating/c…
Specifications
| Brand | Honeywell |
|---|---|
| Model Number | T678A1437 |
| Official Product Name | T678A Remote Bulb Temperature Controller |
| Applicable System | HVAC and industrial heating/cooling control |
| Product Type | Remote Bulb Temperature Controller |
| Equivalent Standard | Contact us for cross-reference and alternative models |
| Product Status | In Stock |
| Switch Contacts | 2 x SPDT |
| Rated Voltage | 120 / 240 / 277 VAC |
| Capillary Length | 5 ft (copper) |
| Bulb Material | Copper |
| Switching Action | Snap-action, line voltage |
| Mounting | Surface / enclosure mount |
| Approvals | UL listed |
| Temperature Range | 0 to 100 deg F |
Product Description
Its sensing bulb is connected by a 5 ft copper capillary so the controller can be mounted away from the sensed location, switching two independent SPDT contacts at 120/240/277 VAC. The Honeywell T678A1437 is a line-voltage remote-bulb temperature controller for heating and cooling equipment.
Basic Product Information
- Dual SPDT switching contacts for staged control
- Line voltage 120/240/277 VAC operation
- Adjustable setpoint range 0 to 100 deg F
- Remote bulb with 5 ft copper capillary for distant sensing
Technical Specifications
Version & Model Difference
The T678A series covers several ranges and sensor lengths (e.g. T678A for line voltage, differing bulb lengths and setpoint spans). This listing is the T678A1437 with 0-100 deg F range and 5 ft copper capillary.
Application Scenarios
- Industrial oven and kiln temperature control
- HVAC heating and cooling staging
- Cold storage and refrigeration alarms
- Process equipment over-temperature protection
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Frequently Asked Questions
What is the Honeywell T678A1437?
It is a remote-bulb line-voltage temperature controller with two SPDT switches and a 5 ft copper capillary.
What temperature range does it cover?
The setpoint range is 0 to 100 deg F.
What voltage can it switch?
It is rated for 120, 240 and 277 VAC line-voltage loads.
How long is the sensing capillary?
It uses a 5 ft copper capillary connecting the remote sensing bulb to the controller.
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