Acoustic detectors for railway crossings are designed to notify people in the area of the railway crossing with an acoustic sound signal about the approach of a train, as well as use as part of traffic lights SP2 and SP3. The detectors are produced with different placement category U1 and UHL1 according to GOST 15150-69.
The detectors are fully interchangeable with currently used electric and electromechanical bells of ZPT-12, ZPT-24 types (universal in terms of supply voltage 12 V and 24 V).
Example of record when ordering:
- "Acoustic detector for railway crossings IA NKMR.468231.001 NKMR.468231.001 TU" (U1);
- "Acoustic detector for railway crossings IA NKMR.468231.001-01 NKMR.468231.001 TU" (UHL1);
- "Acoustic detector with redundancy for railway crossings IAR NKMR.468231.002 NKMR.468231.001 TU" (U1);
- "Acoustic detector with redundancy for railway crossings IAR NKMR.468231.002-01 NKMR.468231.001 TU" (UHL1)..
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