SPDT Bimetal rod thermostats
Water and liquid temperature control, circulation heaters, hydraulic circuits oil temperature etc…
Temperature adjustment range (°C) | |
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Rod length (mm) | |
Differential (°C) | |
Max temperature on rod (°C) | |
Max operating temperature (°C) | |
Electrical rating |
Description
TECHNICAL FEATURES
Applications: water and liquid temperature control, circulation heaters, hydraulic circuits oil temperature etc…
Temperature ranges: 0-50°C (32-122°F), 10-60 °C (50-140°F), 30-90°C (86-194°F), 0-100°C (32-212°F), 40-140°C (104-284°F),
0-150°C (32-302°F)
Housing dimensions: 65 x48 x 48 mm (knob not included)
Material: PA66 housing, and Aisi 304 stainless steel rod
Temperature sensing element: Invar/stainless steel bimetal rod, temperature sensing on full rod length
Electrical connections: screw terminals
Mounting:
- For liquid temperature sensing: inside pocket with internal diameter > 10 mm , or directly on 3/8”BSPP thread under the head, or with 3/8 x1/2” fitting (see accessories)
- For air temperature sensing measurement: with stainless steel bracket
Rating: 16(4)A 250/400VAC, 300.000 cycles. Reduced differential model is not recommended for 400V applications.
Contacts: SPDT, snap action
Max ambient temperature on the head: 85°C (185°F)
Options:
- 3 fixed setting staggered contacts for hydraulic power units : ask for specific data sheet (Type S3F)
- Cnomo electrical connector
- Thermovelocimetric version (detects only fast temperature change, used in fire detection and dry run protection). Type: VV, specific data sheet on request)
- Other temperature
- IP65 aluminum housing: See catalogue N°2
Accessories: BSPT1/2 stainless steel pocket, fittings, brackets , see description and references at the end of this catalogue
Approvals: comply with EN 60730-1 and EN 60730-2 standards
Main references
Temperature range
°C (°F) |
Rod length (mm) | Reference with standard differential* | Differential value
°C (°F) |
Reference with reduced differential* | Differential value
°C (°F) |
Max. temperature on rod °C (°F) |
0-50°C (32-122°F) | 450 | SRA00005000450 | 3±1.5°C (5.4±2.7°F) | SUA00005000450 | 1.5±1°C (2.7±1.8°F) | 70°C (158°F) |
10-60 °C (50-140°F) | 450 | SRA01006000450 | 3±1.5°C (5.4±2.7°F) | SUA01006000450 | 1.5±1°C (2.7±1.8°F) | 80°C (176°F) |
30-90°C (86-194°F) | 380 | SRA03009000380 | 4±2°C (7.2±3.6°F) | SUA03009000380 | 2±1°C (3.6±1.8°F) | 110°C (230°F) |
0-100°C (32-212°F) | 230 | SRA00010000230 | 6±3°C (10.8±5.4°F) | SUA00010000230 | 3±1.5°C (5.4±2.7°F) | 130°C (266°F) |
40-140°C (104-284°F) | 230 | SRA04014000230 | 6±3°C (10.8±5.4°F) | SUA04014000230 | 3±1.5°C (5.4±2.7°F) | 170°C (338°F) |
0-150°C (32-302°F) | 170 | SRA00015000170 | 8±4°C (14.4±7.2°F) | SUA00015000170 | 4±2°C (7.2±3.6°F) | 180°C (356°F) |
Downloads
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Technical informations associated to this product
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Description of temperature controls
Used as control thermostats or as a safety thermostat with manual reset, these thermostats have a disc made of two different metals laminated together for temperature sensing element. These two metals have different expansion coefficients. -
Thermostats installation
The proper functioning of a thermostat depends primarily on the correct choice of the component, but also the conditions of its installation. Conditions used to calibrate regulating and control equipment in the factory are always ideal laboratory conditions, ensuring measurement accuracy and repeatability. These conditions are rarely those found in practice when installing thermostats. However, with a minimum of constraints, it is possible to optimize assemblies. -
Electrical contacts
As numerous mechanisms exist, we decided not to distinguish on the basis of constructive technique, but according to their operation speed, which is the key element. -
Electrical protection classes
The housings are designed to protect electrical equipment located inside. This protection must be considered in the electrical and environmental angles.)