Custom-specification-model-nema4x
Mercoid Switch Custom specification model
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Mercoid Switch Custom specification model
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Specifications
| Brand | Mercoid/Wika/Ashcroft |
|---|---|
| Model Number | Custom specification |
| Official Product Name | Gas-Actuated Temperature Switch (Custom Spec) |
| Applicable System | Industrial process control, HVAC, refrigeration, and safety systems |
| Product Type | Switch (standalone component) |
| Equivalent Standard | Mercoid DA series, Wika TFS series, Ashcroft Bimetal or gas-actuated models (cross-reference required) |
| Product Status | Active |
| Lifecycle note | Active, new production |
| Switch Output | 1 SPDT (single-pole double-throw) |
| Capillary Length | 600 mm |
| Capillary Material | 316 Stainless Steel (armored) |
| Enclosure Rating | IP66 / NEMA4X |
| Sensor Type | Gas-actuated (filled system) |
| Setpoint Adjustment | External, field-adjustable |
| Electrical Rating | Typically 15A @ 125/250VAC (verify specific model) |
| Process Connection | Specify if required |
| Wetted Parts | 316 SS capillary and bulb (if applicable) |
| Ambient Temperature Limits | Refer to installation manual |
| Approvals | CE, UL, CSA (verify specific model) |
| Temperature Range | 140-210 degC (adjustable) |
Product Description
Basic Product Information
- Single-pole double-throw (SPDT) switch output for flexible control or alarm applications
- 600mm armored 316 stainless steel capillary for remote sensing and protection against mechanical damage
- IP66/NEMA4X enclosure for watertight and dust-tight protection, suitable for outdoor and washdown environments
- Gas-actuated sensing element provides fast response and stable operation over a wide temperature range
- Compatible with various process connections and thermowells (optional)
- High repeatability and long service life, designed for demanding industrial applications
- Adjustable temperature range 140-210 degC with external setpoint adjustment
Technical Specifications
Version & Model Difference
This product is available under three brand names: Mercoid, Wika, and Ashcroft. While the functional specifications are identical, minor differences may exist in enclosure design, terminal block layout, and calibration adjustments. The Mercoid version is commonly used in North America, Wika is prevalent in European and Asian markets, and Ashcroft offers a similar alternative. All versions are interchangeable in terms of mounting and electrical connections, but it is recommended to verify the exact model number for compatibility with existing systems. For OEM applications, the brand can be customized to meet procurement requirements.
Application Scenarios
- Industrial process control for temperature monitoring in pipelines, tanks, and reactors
- HVAC systems for duct and plenum temperature control
- Refrigeration and cold storage alarm systems
- Power generation and utility plants for equipment protection
- OEM machinery and equipment requiring reliable temperature switching
- Maintenance and retrofit projects (MRO) for existing temperature switch installations
- Mercoid PGW-7200-804-P1 Differential Pressure Switch (2SPDT 5A)
- Mercoid DAW-23-804TRSS Pressure Switch (0-14 bar, 1/4" NPT, Carbon Steel Diaphragm)
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