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Mechanical Thermostat FZK 011
Wide adjustment rangeAvailable in °F or °C scaleChange-over contactHigh switching capacityDIN rail mountableThe FZK 011 Thermostat is designed to control the air temperature inside of enclosures and control panels. It can be used for enclosure heaters, cooling equipment (e.g. filter fans), or signal devices.An integrated resistor (RF) can be connected to increase accuracy when the FZK 011 is used with an enclosure heater1).Technical Data
Switch temperature difference | 4K (± 1.5K tolerance)* |
Sensor element | thermostatic bimetal |
Contact type | change-over snap-action contact |
Contact resistance | < 10mOhm |
Service life | > 100 000 cycles |
Max. switching capacity, NC | 250VAC, 10 (4) A |
DC 30W | |
Max. switching capacity, NO | 250VAC, 5 (2) A |
DC 30W | |
EMC | acc. to EN 55014-1-2, EN 61000-3-2, EN 61000-3-3 |
Connection | 4-pole terminal, clamping torque 0.5Nm max.: rigid wire 2.5mm², stranded wire (with wire end ferrule) 1.5mm² |
Mounting | clip for 35mm DIN rail, EN50022 |
Casing | plastic according to UL94 V-0, light grey |
Dimensions | 67 x 50 x 38mm |
Weight | approx. 0.10kg |
Fitting position | variable |
Operating/Storage temperature | -20 to +80°C (-4 to +176°F) / -45 to +80°C (-49 to +176°F) |
Protection type | IP20 |
Approvals | - |
*Connecting terminal "N" (RF heating resistor) causes the thermal feedback to work and so reduces the switch temperature difference to approx. 0.5K.