Page 21 - DEHN-protects-technical-building-equipment

Safety equipment Application Type Part No.
Arc fault protection system DEHNshort – components:
1 Quenching device QD II Quenching of the arc fault < 5 ms DSRT QD II 782 002
Quenching device unit for direct
connection to the detection
devices

2 Fibre optical cable Connection between the central DSRT LWL 4.00 782 024
1-5 Connecting cable 4 m and quenching device

3 Detection device Connection of the current trans- DSRT DD CPS BACA 782 030
(current and light) formers and activation of the
quenching devices

4 Detection device Connection of the fibre optical DSRT DD FS BAAA 782 050
For light detection sensors
Personal and system protection –

Arc fault protection system DEHNshort 5 Fibre optic sensor Monitoring of a panel (example) DSRT FS 12 1.5 782 085
Sensor length 12 m
Active arc fault protection - This means protection of employees working on
electrotechnical systems and maximum system availability. Safety equipment according to the 5 safety rules in line with EN 50110-1

Disconnect completely Switching stick up to 36 kV SCS 36 2000 763 612
In a hospital, a power failure is immediately life-threatening. In addition, people working in and on electrical installations Fuse tong for HH fuses SZ HH W20 1500 765 052
The top priority is system availability. A power failure must must be protected. The operator must eliminate all accident Secure against re-connection Insulating blade for NH2 and NH3 SE NH2 3 785 644
never happen in a hospital. Think of patients in the opera- risks and prevent personal injury. To prevent electrical for distribution blocks
ting theatre, on artificial respiration or other life-supporting accidents, the five safety rules defined in the EN 50110-1
measures. The active arc fault protection system DEHNshort standard apply. DEHN offers suitable products for applying Verify that the installation is Voltage detector for medium- PHE4 6 20 S 783 235
voltage installations 6-20 kV
dead
supports your system concept and reduces downtime the five safety rules as well as the personal protective
resulting from arc faults to a minimum. equipment necessary to protect people from arc faults. Carry out earthing and short- Earthing and short-circuiting EKV3+1 120 G VAAG-
circuiting device with earthing stick for 7KZ
transformer substations ES SK STK 1000 761 001

> I Lines:
––– Current transformer (CT) Personal protective equipment DEHNcare (PPE against the thermal effects of an arc fault)
> L ––– Fibre optic sensor (FS)
DEHNshort DEHNshort
POWER ERROR DEHNshort POWER ERROR POWER ERROR DEHNshort POWER ERROR Safety helmet for electricians white ESH U 1000 S SW 785 706
T1 T2 T3 T4 T1,T3,T4 T2,T4 T1 T2 T3 T4 T1,T3,T4 T2,T4
S1 S2 IL1 IL2 S1 S2 S1 S2 IL1 IL2 S1 S2 ––– Light information (> L)v
S3 S4 IL3 Io S3 S4 S4 S3 IL3 Io S4 S3
QD QD QD QD
BO1 BI1 BI2 HSO1 HSO2 BI1 BI2 BO1 BI1 BO1 BI2 HSO1 HSO2 BI1 BI2 BO1
––– Overcurrent information (> I)
SET SET SET SET
DSRT DD CPS .... ARC PROTECTION DSRT DD PS .... ARC PROTECTION DSRT DD CPS .... ARC PROTECTION DSRT DD PS .... ARC PROTECTION
––– Activation of shunt release (T)
––– Activation of quenching devices Face shield With active protection, arc-fault- APS T AS CL2 SC 785 821
(optical fibre cable) tested
Circuit breaker – ACB
Protective gloves With long gauntlet, arc-fault- APG 10 L 785 810
tested
Transformer
Protective coat Arc-fault-tested APC 52 54 785 756
Quenching device – QD II
Current transformer (CT)
transformer 1 transformer 2 coupling
NH fused feeder

DEHNshort
DEHNshort POWER ERROR
Detection devices: CPS T1 T2 S1 S2 S3 S4 T3 T4 IL1 IL2 IL3 Io FS T1,T3,T4 T2,T4 S1 S2 S3 S4
POWER
ERROR
BO1 QD BI1 BI2 HSO1 HSO2 BI1 QD BI2 BO1
SET SET
DSRT DD CPS .... ARC PROTECTION DSRT DD PS .... ARC PROTECTION
More information at: Use our online configurators
de.hn/configurators
20 for easy and fast selection 21