Manual 37140A
MFR 11 - Protection Relay
Page 60/80
© Woodward
Appendix B.
Technical Data
Nameplate
------------------------------------------------------------------------------------------------------
1
S/N
Serial number (numerical)
2
S/N
Date of production (YYMM)
3
S/N
Serial number (Barcode)
4
P/N
Item
number
5
REV
Item revision number
6
Details Technical
data
7
Type Description
(long)
8
Type Description
(short)
9
UL
UL
sign
Measuring
voltage ---------------------------------------------------------------------------------------------
- Measuring voltage
Standard (V
rated
) /
Δ
.......................................... [1] 66/115 Vac
[4] 230/400 Vac
[7] 398/690 Vac
Maximum value V
ph-ph
max. (UL/cUL)...................................... [1] max. 150 Vac
[4] max. 300 Vac
[7] max. 600 Vac
Rated voltage V
ph-ground
............................................... [1] 150 Vac
[4] 300 Vac
[7] 400 Vac
Rated surge voltage..................................................[1] 2.5 kV
[4] 4.0 kV
[7] 4.0 kV
- Measuring frequency .................................................................................. 40.0 to 80.0 Hz
- Accuracy ...................................................................................................................Class 1
- Resistance ................................................................................................................... 0.1 %
- Linear measuring range....................................................................................... 1.3 × V
rated
- Input resistance ................................................................................................ [1] 0.21 M
Ω
[4] 0.7 M
Ω
[7] 1.04 M
Ω
- Maximum power consumption per path .................................................................. 0.15 W
Ambient
variables ---------------------------------------------------------------------------------------------
- Power supply
Standard............................ 24 Vdc (18 to 302 Vdc)
Wide range power supply (
Option N
)....................................... 90 to 265 Vac/dc
- Intrinsic consumption..........................................................................................max. 10 W
- Ambient temperature
Storage ........................................... -40 to 85 °C / -40 to 185 °F
Operational ...................................... -20 to 70 °C / -4 to 158 °F
- Ambient humidity ..............................................................................95 %, not condensing
- Maximum altitude .................................................................................................... 2000 m
- Degree of pollution ............................................................................................................ 2
Discrete
inputs----------------------------------------------------------------------------------------isolated
- Input range (U
Cont, discrete input
) .............................................. Rated voltage 18 to 250 Vac/dc
- Input resistance ............................................................................................. approx. 68 k
Ω