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Emergency stop module with voltage failure detection
BH 5903
- Article number: 0053089
- Type: BH5903.03/00000/61 DC24V
The BH 5903, BL 5903 of the SAFEMASTER series enables automatic restarting of systems after a... more
Product description
The BH 5903, BL 5903 of the SAFEMASTER series enables automatic restarting of systems after a power failure. It is specially designed for applications that require immediate restarting when power is restored. Examples include compressor controls and water and wastewater technology.
Technical specifications
| Width: | 45 mm |
| Cat. / PL acc. to EN ISO 13849-1: | 4/e |
| SIL acc. to IEC/EN 62061: | 3 |
| Nominal voltage: | DC |
| Thermal current Ith max.: | 5 A |
| 1- / 2-channel: | 1, 2 |
| Cross fault detection: | Yes |
| Connection: | Pluggable screw terminals |
| Output contacts max.: | 3 NO contacts |
| Approvals: | UL |
| Type: | BH 5903 |
Downloads
Advantages
- E-stop with latching function
- Automatic start when voltage returns after phase failure when no E-Stop was operated before phase failure
- Cross fault monitoring
- Short circuit and broken wire detection on all inputs
Features
- According to
- Performance Level (PL) e and category 4 to EN ISO 13849-1
- SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
- Safety Integrity Level (SIL 3) to IEC/EN 61508 - Reset after E-stop with push button
- Output max. 3 NO contacts, see contacts
- B_ 5903._ _ /00000: 1 E-stop loop 2-channel operated
- B_ 5903._ _ /00020: 2 E-stop loops single channel operated
- Feedback loop for external contact reinforcement
- LED indication for channel 1 and 2 and for diagnostics
- Removable terminal strips
- Wire connection: also 2 x 1.5 mm2 stranded ferruled (isolated), DIN 46228-1/-2/-3/-4 or
- 2 x 2.5 mm2 stranded ferruled DIN 46228-1/-2/-3
- BH 5903: width 45 mm
BL 5903: width 90 mm