2-POLE FAILSAFE TEMPERATURE LIMITER, SAFETY SENSOR
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3- AND 4-POLE FAILSAFE TEMPERATURE LIMITER MANUAL RESET

3-POLE TEMPERATURE LIMITER, PROTECTIVE GUARD

These devices automatically switch off the current in the controlled circuit as the pre-set temperature limit is reached, thus preventing overheating. Once the defection of the temperature regulation was repaired, in voltage-free state, the limiter / protective guard can be re-started manually.

Working temperature range: 0- 355 °C

Areas of application:
– heat-storing stoves
– saunas
– large hot water storage tanks
Trouble-free operation is conditioned by proper heat transfer between the protective limiter’s sensor and the controlled medium.

SKU: N/A Category:
Description

TECHNICAL DATA

Lifetime: 1000 switching cycles Electrical connections: Blades, A 6,3×0,8
Switching power: 20(4)A-4(1)A/250 V~; Sensor: Tubular type:  Cu: Ø5; Ø6; Ø8
16(4)A-4(1)A/400 V ~                            INOX: Ø3; Ø4; Ø6
Leakage current resistance: ≥ 175 Working range: 0-150 °C /50-355 °C
Way of operation 2 AG /2AGM Capillary tube: Ø 1,4 (Cu) / Ø 1 (INOX)
Max. temp. for the main unit: 85 °C / 150 °C Capillary tube length: 250 – 2400
Protection class: Class I. / IP 00 Max. sensor temperature: Upper switching value +15%
Work environment: Normál Surface protection: Galvanized
Heat and fire resistance: D

TYPE EXAMPLES

Type Code Type mark Switch-off
temp. °C		 Sensor
ØDx L1/mm/;
Material		 Capillary tube
Ødx L2 /mm/		 Protection tube
L3 ± 20 /mm/		 Wiring diagram
M / A
5278-0-100-1 TC-1B31KM 315 ± 6 4 x 168 INOX 1 x 420 40 M
5278-0-102-1 TC-1B31KM 220 ± 6 4 x 168 INOX 1 x 420 40 M
5278-0-103-1 TC-1B31KM 250 ± 6 6 x 95 INOX 1 x 920 40 M
5278-0-103-2 TC-1B31KM 240 ± 6 6 x 95 INOX 1 x 920 40 M
5278-0-117-6 TC-1B30KM 135   0 6 x 117 Cu 1,4 x 920 320 M
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