Dale Power Solutions Ltd
Salter Road, Eastfield Industrial Estate, Scarborough, North Yorkshire, YO11 3DU, UK
[email protected] | www.dalepowersolutions.com |
+44 (0) 1723 583511
Remote emergency power off (EPO)
In a parallel system the EPO switch on the front panel of any unit will turn off the whole system. It is also
possible to add a remote EPO switch in addition to the front panel switch.
Wire the switch as shown in Figure 15. Only one 12V connection is required and it can be made to any
unit in the system.
Switch type:
normally open
Figure 15 An N+1 parallel system with remote EPO switch
Appendix 3 Specifications
Electrical
Model
E420
E430
E440
E460
E480
Capacity 20 kVA 30 kVA 40 kVA 60 kVA 80 kVA
Input
Input current (maximum) 40 A
63 A
80 A
125 A
160 A
Power factor
<0.99
Input type
3 phase 4 wire (L1, L2, L3, N and E)
Rated voltage
380 / 400 / 415 V a.c.
Voltage range
P
o
≤ 69%: 208 ± 5 V a.c. to 478 ± 5 V a.c.
P
o
> 69%: 304 ± 5 V a.c. to 478 ± 5 V a.c.
Frequency range
40± 0.5 Hz to 70± 0.5 Hz
THDI
Input THDV:
≤1%, linear load: ≤3%
Input THDV:
≤1%, non-linear load:≤7%
