Table of Contents
Advertisement
Specifications
Ratings
Nominal ac voltage at 60 Hz
Nominal ac current (In)
Rated frequency
Maximum permissible ac voltage
Continuous
10 seconds
Maximum permissible ac current
Continuous
1 second
Operational
Thermal
dc battery voltages, nominal (range)
dc burdens
normal
tripping
ac burdens
volts per phase
current per phase
External connections
Terminal blocks located on the rear of the chassis suitable for #14 square tongue lugs. Wiring to FT-14 switches suitable
for #12 wire lugs.
Contact data
Trip contacts
make and carry
1 second
continuous
break
resistive
L/R = 45 msec
Non-trip contacts
continuous
resistive interrupt
Contacts meet IEC255-6A, IEC255-12, IEC255-16, BS142-1982
Product Overview and Specifications
ABB REL 356 Current Differential Protection
69.3 V rms
1 or 5 A rms
50 or 60 Hz
160 V rms (limited by maximum input to A/D converter)
240 V rms (limited by input transformer flux density)
3 x nominal current (limited by thermal characteristics)
160 A rms at 5 A, 32 A rms at 1 A
(limited by maximum input to the A/D converter)
100 x nominal current
60/48 Vdc (30 – 70 Vdc)
110/125 Vdc (88 - 140 Vdc)
220/250 Vdc (176 – 280 Vdc)
15 W
40 W
0.02 VA at 70 Vac
0.45 VA at 5 A
30 A
10 A
50 W
25 W
1 A
0.1 A
1-5
Advertisement
Table of Contents
