Emergency stop module with voltage failure detection
BH 5903
Article number:
0053089
Type:
BH5903.03/00000/61 DC24V
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
| 1- / 2-channel: | 1, 2 |
|---|---|
| Approvals: | UL |
| Cat. / PL acc. to EN ISO 13849-1: | 4/e |
| Connection: | Pluggable screw terminals |
| Cross fault detection: | Yes |
| Nominal voltage: | DC |
| Output contacts max.: | 3 NO contacts |
| SIL CL acc. to IEC/EN 62061: | 3 |
| SIL acc. to IEC/EN 62061: | 3 |
| Thermal current Ith max.: | 5 A |
| Thermal current Ith max.: | 5 |
| Type: | BH 5903 |
| Width: | 45 mm |
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Advantages / Customer benefits
- 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