ABB RET670 Product Manual page 40

Transformer protection
Hide thumbs Also See for RET670:
Table of Contents

Advertisement

Transformer protection RET670
Customized
Product version: 1.2
Table 7. TRM - Energizing quantities, rated values and limits for measuring transformer modules
Quantity
Current
Permissive overload
Burden
Ac voltage
Operative range
Permissive overload
Burden
Frequency
Table 8. MIM - mA input module
Quantity:
Input resistance
Input range
Power consumption
each mA-board
each mA input
Table 9. OEM - Optical ethernet module
Quantity
Number of channels
Standard
Type of fiber
Wave length
Optical connector
Communication speed
40
Rated value
I
= 1 or 5 A
r
1.1 × I
cont.
r
1.8 × I
for 30 min at I
= 1 A
r
r
1.6 × I
for 30 min at I
= 5 A
r
r
< 350 mVA at I
= 5 A
r
< 200 mVA at I
= 1 A
r
U
= 110 V
r
(0–340) V
420 V cont.
450 V 10 s
< 20 mVA at 110 V
f
= 50/60 Hz
r
Rated value:
R
= 194 Ohm
in
± 5, ± 10, ± 20mA
0-5, 0-10, 0-20, 4-20mA
£ 2 W
£ 0.1 W
Rated value
1 or 2
IEEE 802.3u 100BASE-FX
62.5/125 mm multimode fibre
1300 nm
Type ST
Fast Ethernet 100 MB
1MRK 504 117-BEN D
Nominal range
(0-1.8) × I
at I
= 1 A
r
r
(0-1.6) × I
at I
= 5 A
r
r
0.5–288 V
± 5%
Nominal range:
-
-
-
ABB

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents