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![TR250 thermal relay TR250 thermal relay](https://www.dacpol.eu/41556-large_default/temperature-relay-type-tr250.jpg)
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The Pt100 thermostat TR250 monitors up to 3 sensors Pt100 (RTD), Pt1000, KTY83 KTY84 or thermistors (PTC) at the same time. Different types of sensors, e.g. Pt 100 and PTC can be monitored simultaneously. The unit is especially suitable for monitoring motors, generators and transformers.
An other application is the use as a 2- or 3-step-controller with additional monitoring of over- or under-temperature. monitoring of differences in temperatures of 2 sensors or temperature controller for heat pumps.
Function
3 Sensor inputs:
Displays:
Switching functions:
6 preset programs:
Technical Data
Rated supply voltage Us | AC/DC 24 – 240 V |
---|---|
Tolerance | DC 20, 4 - 297 V ..... AC 20 - 264 V 50/60 Hz |
Power consumption | < 3 W ..... < 7 VA |
Output | 3 x co (change-over) |
Switching voltage | max. AC 415 V |
Switching current | max. 5 A |
Switching power | max. 1250 VA (resistive load) max. 120 W at DC 24 V |
UL electrical ratings | 250 V ac, 5 A, resistive |
E214025 | 240 V ac, 1/2 hp 120 V ac, ¼ hp B 300 – pilot duty, UL 508 |
Rated operational current Ie | |
AC15 | Ie = 3 A ..... Ue = 250 V |
DC13 | Ie = 2 A ..... Ue = 24 V Ie = 0,2 A ..... Ue = 125 V Ie = 0,1 A ..... Ue = 250 V |
Recommended fuse for contacts | T 3,15 A (gL) |
Expected contact life mechanical | 3 x 107 operations |
Expected contact life electrical | 1 x 105 operations with AC 250 V / 6 A |
Rated impulse voltage | 4000 V |
Overvoltage category | III |
Contamination level | 2 |
Rated insulation voltage Ui | 300 V |
On-time | 100 % |
emitted interference | EN 61000-6-3 |
Burst | EN 61000-4-4 +/-4 kV Pulse 5/50 ns, f = 5 kHz, t = 15 ms, T = 300 ms |
SURGE | IEC 61000-4-5 +/-4 kV Impulse 1,2/50 μs (8/20 μs) |
discharge of static electricity | IEC 61000-4-2 +/-4 kV contact, +/- 8kV air |
Ambient temperature range | -20 °C ... +65 °C |
Storage temperature range | -20 °C … +70 °C |
Altitude | Up to 2000 m |
Climatic conditions | 5 – 85 % rel. humidity, no condensation |
External wiring temperature range | -5 °C … +70 °C |
Vibration resistance EN 60068-2-6 | 2…25 Hz ±1,6 mm 25 ... 150 Hz 5 g |
Accuracy | ±0,5 % of value ±1 K (KTY ±5 K) |
Sensor-current | ≤ 1 mA |
Measuring time tM | |
Mounting height | 55 mm |
Width | 4 TE |
Dimensions (W x H x D) | 70 x 90 x 58 mm |
Line connection solid wire | each 1 x 1,5 mm2 |
Stranded wire with insulated ferrules | each 1 x 1,0 mm2 |
Torque | 0.5 Nm (3,6 lb.in) |
Protection class housing | IP 30 |
Protection class terminals | IP 20 |
Fitting position | any |
Mounting | Snap mounting on 35 mm standard rail EN 60 715 or M4 screws |
Weight | app. 200g |
Are you interested in this product? Do you need additional information or individual pricing?
The Pt100 thermostat TR250 monitors up to 3 sensors Pt100 (RTD), Pt1000, KTY83 KTY84 or thermistors (PTC) at the same time. Different types of sensors, e.g. Pt 100 and PTC can be monitored simultaneously. The unit is especially suitable for monitoring motors, generators and transformers.
An other application is the use as a 2- or 3-step-controller with additional monitoring of over- or under-temperature. monitoring of differences in temperatures of 2 sensors or temperature controller for heat pumps.
Function
3 Sensor inputs:
Displays:
Switching functions:
6 preset programs:
Technical Data
Rated supply voltage Us | AC/DC 24 – 240 V |
---|---|
Tolerance | DC 20, 4 - 297 V ..... AC 20 - 264 V 50/60 Hz |
Power consumption | < 3 W ..... < 7 VA |
Output | 3 x co (change-over) |
Switching voltage | max. AC 415 V |
Switching current | max. 5 A |
Switching power | max. 1250 VA (resistive load) max. 120 W at DC 24 V |
UL electrical ratings | 250 V ac, 5 A, resistive |
E214025 | 240 V ac, 1/2 hp 120 V ac, ¼ hp B 300 – pilot duty, UL 508 |
Rated operational current Ie | |
AC15 | Ie = 3 A ..... Ue = 250 V |
DC13 | Ie = 2 A ..... Ue = 24 V Ie = 0,2 A ..... Ue = 125 V Ie = 0,1 A ..... Ue = 250 V |
Recommended fuse for contacts | T 3,15 A (gL) |
Expected contact life mechanical | 3 x 107 operations |
Expected contact life electrical | 1 x 105 operations with AC 250 V / 6 A |
Rated impulse voltage | 4000 V |
Overvoltage category | III |
Contamination level | 2 |
Rated insulation voltage Ui | 300 V |
On-time | 100 % |
emitted interference | EN 61000-6-3 |
Burst | EN 61000-4-4 +/-4 kV Pulse 5/50 ns, f = 5 kHz, t = 15 ms, T = 300 ms |
SURGE | IEC 61000-4-5 +/-4 kV Impulse 1,2/50 μs (8/20 μs) |
discharge of static electricity | IEC 61000-4-2 +/-4 kV contact, +/- 8kV air |
Ambient temperature range | -20 °C ... +65 °C |
Storage temperature range | -20 °C … +70 °C |
Altitude | Up to 2000 m |
Climatic conditions | 5 – 85 % rel. humidity, no condensation |
External wiring temperature range | -5 °C … +70 °C |
Vibration resistance EN 60068-2-6 | 2…25 Hz ±1,6 mm 25 ... 150 Hz 5 g |
Accuracy | ±0,5 % of value ±1 K (KTY ±5 K) |
Sensor-current | ≤ 1 mA |
Measuring time tM | |
Mounting height | 55 mm |
Width | 4 TE |
Dimensions (W x H x D) | 70 x 90 x 58 mm |
Line connection solid wire | each 1 x 1,5 mm2 |
Stranded wire with insulated ferrules | each 1 x 1,0 mm2 |
Torque | 0.5 Nm (3,6 lb.in) |
Protection class housing | IP 30 |
Protection class terminals | IP 20 |
Fitting position | any |
Mounting | Snap mounting on 35 mm standard rail EN 60 715 or M4 screws |
Weight | app. 200g |
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