Emergency stop module with voltage failure detection
BL 5903

For plants, that should start automatically at return of voltage after phase failure. E.g. Compressor plants, water and sewage water plants.

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
. E-stop with latching function
. Automatic start when voltage returns after phase failure when no E-Stop was operated before phase failure.
. 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
. Cross fault monitoring
. Feedback loop for external contact reinforcement
. Short circuit and broken wire detection on all inputs
. 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

Technical specifications
Cat. / PL acc. to EN ISO 13849-1: 4/e
1- / 2-channel: 1, 2
Connection: Pluggable screw terminals
Output contacts max.: 3 NO contacts
Width: 90mm
Cross fault detection: Yes
SIL CL acc. to IEC/EN 62061: 3
Nominal voltage: AC
Thermal current Ith max.: 5A
Type: BL 5903


Manufacturer: E. Dold & Söhne GmbH & Co. KG
Type: BL5903.03/00000 AC110V
Art. No.: 0053476