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Local temperature controller ZT-C-...-P-WP and ZT-C-...-P-XP
The ZT-WP and ZT-XP thermostats are designed to control the electric heating system by controlling the surface temperature of a pipe or tank in electric heating circuits that provide protection against freezing of pipelines and tanks. Each thermostat is presented in four temperature modifications and ranges of temperature exposure to the sensor. The ZT-WP model is designed for wall mounting (or pipe mounting using a single stainless steel mounting bracket 1) and has a flexible PVC casing for a galvanized steel sensor with an oil seal and a device for passing through the insulation. The ZT-XP model includes a mounting column that simplifies the installation of the thermostat directly on the pipe and provides for the input and connection of two heating cables inside the housing. ZT terminators are designed for use in normal (not classified) areas and are certified according to ATEX for use in explosive areas of Category 2 and 3 (Zone 1 and 2) for use in Category 2 and 3 (Zone 1 and 2).
Technical specifications
- Degree of protection IP66
- The maximum exposure temperature of the pipe is 250 ° C
- Minimum installation temperature -60 ° C
Operating ambient temperature
- -60 ° C ≤ Ta ≤ +50 ° C T5 100 ° C
- -60 ° C ≤ Ta ≤ +40 ° C T6 85 ° C
- The maximum permissible voltage is 230 VAC2
- Switching current 25 A (ohmic, NC contact)
- Switching the type of controller or limiter
Construction:
- - junction box, reinforced polymer glass with DIN rail and terminals
- - Mounting bracket made of reinforced polymer glass (or stainless steel bracket)
- - Capillary temperature sensor
Temperature control range:
- ZT-C-100 0 ° C to 100 ° C
- ZT-C-200 0 ° C to 200 °C
- ZT-C-300 0 ° C to 300 °C
- ZT-C-500 20 °C to 500 °C
Maximum response amplitude:
- ZT-C-100 7% / -1 ° K to +7 ° K
- ZT-C-200 2,5% / -2 ° K to +10 ° K
- ZT-C-300 2,5% / -2 ° K to +16 ° K
- ZT-C-500 2,5 % / -2 ° K to +28 ° K
Maximum temperature of exposure to the sensor
- ZT-C-100 230 ° C
- ZT-C-200 230 ° C
- ZT-C-300 345 ° C
- ZT-C-500 530 ° C
Sensor dimensions / Material / Capillary length
- ZT-C-100 6 x 76 mm / stainless steel / 1m
- ZT-C-200 6 x 76 mm / stainless steel / 1m
- ZT-C-300 6 x 55 mm / stainless steel / 1m
- ZT-C-500 6 x 280 mm / stainless steel / 1m
- Maximum switching frequency 180 cycles / hour
- Electrical wear resistance of working cycles min 100,000 cycles
- Mechanical wear resistance of working cycles min 300,000 cycles
Features:
- 3 M25 inputs;
- 2 M25-B-EXE stubs;
- 1 dust cap M 25;
- 1 GRW-L/TSTAT seal for the input of 2 cables (+ 1 for the sensor);
- 6 terminals 4mm2 + 2 grounding terminals 4mm2;
- 1 yoke B - 10.
- For use in (non-) explosive areas with a maximum exposure temperature of up to 250°C
