Applications
Protection against overheating of heating appliances caused by an abnormal increase in liquid temperature due to flow failure.
Ovens, electric water heaters, wall-mounted boilers, dishwashers, fryers, electric heaters, pellet stoves
Technical features
Housing dimensions
24.7 × 33 × 26 mm (excluding terminals and reset button)
Bulb and capillary
Stainless steel. Capillary length from 250 mm to 1500 mm.
100 mm PVC sleeve on capillary.
Minimum capillary bending radius: 5 mm.
Temperature sensing element
Liquid-filled bulb and capillary system.
Terminals
6.35 × 0.8 mm quick-connect terminals (M4 screw terminals available on request).
Terminals available in vertical, horizontal or 45° angled versions.
Adjustment
Fixed, sealed or adjustable setting via mini dial.
Manual reset
Fail-safe manual reset with front-access reset button.
Low temperature fail-safe action
Temperatures below -10 °C (14 °F) will trigger manual reset.
Mounting options
Front threaded bushing M10 × 0.75
2 × M4 screw mounting, with or without mini adjustment dial
Bulb mounting possible in standard Ø 8.5 mm pockets or in an additional thermowell available on request.
Rating
20 (4) A 250 V AC / 16 (4) A 400 V AC
Contacts
SPNC snap-action contact
Maximum ambient temperature at body
85 °C or 150 °C depending on version
Options
Fixed or adjustable set point
Nickel-plated capillary gland
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