Operation Manual 37107F
MFR 3 - Multi Function Relay
Page 138/165
© Woodward
Appendix B.
Technical Data
Measuring voltage --------------------------------------------------------------------------------------------
-
Measuring voltage
Rated value (V
rated
) /
Δ
....................................... [1] 66/115 Vac
[4] 230/400 Vac
Maximum value V
ph-ph
(UL/cUL)
[1] max. 150 Vac
[4] max. 300 Vac
Rated voltage V
ph-ground
[1] 150 Vac
[4] 300 Vac
Rated surge voltage
[1] 2.5 kV
[4] 4.0 kV
-
Measuring frequency ................................................................................... 40.0 to 70.0 Hz
-
Accuracy ................................................................................................................... Class 1
-
Linear measuring range up to ............................................................................... 1.3 × V
rated
-
Input resistance ................................................................................................. [1] 0.21 M
Ω
[4] 0.7 M
Ω
-
Maximum power consumption per path ................................................................... 0.15 W
Measuring
current
---------------------------------------------------------------------------------- isolated
-
Measuring current ................................................................................................... [5]../5 A
-
Accuracy ................................................................................................................... Class 1
-
Maximum continuous current ........................................ I
Gen
= 3.0 × I
rated
, I
Mains
= 1.5 × I
rated
-
Power consumption ................................................................................................ < 0.15 W
-
Rated short to time current (1 s) ..................................................................... [5] 10.0 × I
rated
Ambient
variables ---------------------------------------------------------------------------------------------
-
Power supply ............................................................................... 12/24 Vdc (9.5 to 32 Vdc)
-
Intrinsic consumption ........................................................................................... max. 15W
-
Ambient temperature ......................................................................................... -20 to 70 °C
-
Ambient humidity .............................................................................. 95 %, not condensing
Discrete
inputs
--------------------------------------------------------------------------------------- isolated
-
Input range (V
Cont, digital input
) ................................................. Rated voltage 18 to 250 Vac/dc
-
Input resistance .............................................................................................. approx. 68 k
Ω
Relay outputs --------------------------------------------------------------------------------- potential free
-
Contact material ....................................................................................................... AgCdO
-
General purpose (GP) (V
Cont, relay output
)
AC ........................ 2.00 Aac@250 Vac
DC ......................... 2.00 Adc@24 Vdc
0.36 Adc@125 Vdc
0.18 Adc@250 Vdc
-
Pilot duty (PD) (V
Cont, relay output
) AC
..............................................
B300
DC ......................... 1.00 Adc@24 Vdc
0.22 Adc@125 Vdc
0.10 Adc@250 Vdc
Pulse outputs ----------------------------------------------------------------------------------------------------
-
Type ............................................................................................................ transistor output
-
Rated gate voltage ..................................................................................................... 24 Vdc
-
Maximum gate voltage .............................................................................................. 32 Vdc
-
Minimum gate current ............................................................................................ 10 mAdc
-
Maximum gate current ........................................................................... 30 mAdc (0.5 Vdc)