Technical Data
Technical Data
Use Copper conductors only, 75°C.
Conductor size AWG 14 [2.5 mm
2
].
Climatic Environmental Conditions
Type of device
Storage Temperature:
Operating Temperature:
MRA4
-30°C up to +70°C (-22°F to 158°F)
-20°C up to +60°C (-4°F to 140°F)
MRI4
-25°C up to +70°C (-13°F to 158°F)
-0°C up to +55°C (-32°F to 131°F)
MRU4
-25°C up to +70°C (-13°F to 158°F)
-0°C up to +55°C (-32°F to 131°F)
MRDT4
-25°C up to +70°C (-13°F to 158°F)
-20°C up to +55°C (-4°F to 131°F)
MRM4
-25°C up to +70°C (-13°F to 158°F)
-0°C up to +55°C (-32°F to 131°F)
Permissible Humidity at Ann. Average:
<75% rel. (on 56d up to 95% rel.)
Permissible Installation Altitude:
<2000 m (6561.67 ft) above sea level
If 4000 m (13123.35 ft) altitude apply a changed classification of
the operating and test voltages may be necessary.
Degree of Protection EN 60529
HMI front panel with seal
IP54
HMI front panel without seal
IP50
Rear side terminals
IP20
Routine Test
Insulation test acc. to IEC60255-5:
All tests to be carried out against earth and other input- and
output circuits
Aux. voltage supply, digital inputs,
current measuring inputs, signal relay
outputs:
2.5 kV (eff) / 50 Hz
Voltage measuring inputs:
3.0 kV (eff) / 50 Hz
All wire-bound communication interfaces: 1.5 kV DC
Housing
Housing B2: height/-width
173 mm (6.811” / 4 U)/ 212.7 mm (8.374” / 42 HP)
Housing depth (incl. terminals):
208 mm (8.189”)
Material, housing:
Aluminium extruded section
Material, front panel:
Aluminium/Foil front
Mounting position:
Horizontal (±45° around the X-axis must be permitted)
Weight:
approx. 2.4 kg (5.291 lb)
EN MRM4 01/11
Page 427
Содержание MRM4
Страница 1: ...MRM4 HighPROTEC Motor Protection Device Manual DOK HB MRM4E...
Страница 3: ...Order Code EN MRM4 01 11 Page 3...
Страница 18: ...Important Definitions Page 18 EN MRM4 01 11 41 SG Prot ON 42 SG ON Cmd SG Prot ON SG ON Cmd...
Страница 115: ...Navigation Operation Navigation Operation EN MRM4 01 11 Page 115 1 2 3 5 7 6 8 10 9...
Страница 162: ...Recorder Name Description I 2 TripCmd Signal Trip Command Page 162 EN MRM4 01 11...