KTSZ4H-24 TEMPERATURE SWITCH

GKTSZ4H-24R
2 to 3 weeks

Switch type KTSZ4H-24

Type of sensitive element Pt 100/3850 or Pt 1000/3850 - standard

Ni 1000/6180 - modification

Connecting the temperature sensor

Temperature switch modes 1 to 2:

1 sensor - 2 wires or 4 wires

Temperature switch modes 3 to 5:

1 sensor - 2 wires or 4 wires

2 sensors - 2 wires

2 relay output

Maximum operating temperature range -50 ° C to 400 ° C (depending on sensing element type and temperature sensor variant)

Power supply 10 - 33 V DC / 9 - 24 V AC (recommended 24 V DC / V AC)

Maximum switching voltage 250 V AC / 6 A

Maximum switch error * ± (0,15% of the value + 1 dig) - minimum error 0,2 ° C

Rosolution 0,1 ° C

Adjustment range -50 ° C to 400 ° C, steps of 0,1 ° C

4 digit display - red LED, top of digits 10 mm

Display brightness 4 level adjustment

Display refresh <0,2 s

Terminal block type ARK 210, wire cross section 0,35 to 1,5 mm2

LEXAN housing material (conforms to EN 45545-2, as amended)

Housing dimensions 98 x 70 x 61 mm

Protection index IP 20 according to EN 60529, as amended

Working conditions ambient temperature: -40 ° C to 80 ° C

relative humidity: max 85% (at room temperature 25 ° C) atmospheric pressure: 87 to 107 kPa

Weight (without switch) 0,15 kg (without el. Sens.)

* the error of the sensitive element is not incorporated

Tests

Shock and vibration tests category 1, class B according to EN 61373, as amended

Electromagnetic compatibility according to EN 50121-3-2, as amended

Insulation test 4 kVDC for 1 minute according to EN 50155, as amended

Fire resistance

according to EN 45545, as modified (possible according to NFPA 130)

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These KTSZ4H switches with display are designed to be used as two-state regulators (ON / OFF type control). They compare the temperature set point with the actual temperature value and enable the galvanically isolated (electrically isolated) contacts of a connected relay to be switched when the set temperature is reached. The supply voltage for the switches is 10 - 33 V DC / 9 - 24 V AC (depending on type). two temperature sensing elements can be connected to the switches. The display shows the current value of the measuring temperature during the measuring process. The setting of the individual parameters is carried out by two control knobs.

The switch can be used in 5 different modes:

Mode no. 1: The switch works as a single controller which switches the first relay according to the set temperature interval and the second relay is switched to the exceeding set emergency temperature (only one sensing element is used)

Mode no. 2: The switch works as a dual controller which switches each relay according to the set temperature interval (only one sensing element is used)

Mode no. 3: The switch works as a dual controller, which switches each relay separately according to the temperature interval (two sensing elements are used, each separately for each relay)

Mode no. 4: The switch works as a differential regulator which switches based on the temperature difference of two sensing elements (analogous to mode # 1)

Mode no. 5: The switch works as a differential regulator which switches based on the temperature difference of two sensing elements (analogous to mode # 2)

The switch-off delay of relay 1 within the limits 0–300 s can be set in each mode.

The switches are intended to be mounted on the DIn strip. The temperature range of switching applications depends on the type of sensing element and the type of temperature sensor (for example, for the sensor in the TG8 housing, the range is -50 ° C to 200 ° C). The maximum operating temperature range of the switch is -50 ° C to 400 ° C.

Thermostats are intended to operate in a chemically non-aggressive environment.

TESTS, DECLARATION, CALIBRATIONS

Type tests are carried out by a notified body according to standard EN 50155, as amended, Railway applications - Electronic equipment used on rolling stock, Art. 12.2.9, 12.2.11

- Electromagnetic compatibility according to EN 50121-3-2, as amended

- Insulation test according to EN 50155, as amended

- Shock and vibration tests according to EN 61373, as amended

The product meets the parameters in accordance with EN 45545-2, as amended, Fire protection of railway vehicles - Part 2: Requirements for the fire behavior of materials and components. May be supplied with materials that meet NFPA 130 fire safety standard, as amended.

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