Belimo EXT-J-00734645 - safety temperature limiter STB

Belimo EXT-J-00734645 – STB temperature limiter

When the set temperature is reached, the 1-pin changeover contact (SPDT) changes position and is mechanically locked. Once the temperature falls below the set point, it can be reset manually; the reset differential is approximately 10K.

Key features

• Measuring and setting range: 50...80°C.
• Output signal: switch; manual reset.
• Capillary: 1 m.
• Electrical connection: spring terminal max. 2.5 mm²; M20x1.5 mm cable gland for cable ø6...12 mm.
• Output rating: AC 230 V 16 (2.5) A at position 1-2; AC 230 V 2 (0.4) A at position 1-4; DC 230 V 0.25 A.
• IEC/EN protection rating: IP54 with sealing elements fitted.
• Supplied with a pipe mounting strap for pipes ø15...100 mm.

If the capillary leaks, circuit 1-4 remains permanently closed and resetting is not possible.