Flottweg TRICANTER Z 8E, Руководство по эксплуатации

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8 | INDUCTION MOTORS FOR HAZARDOUS AREAS - English -
The accessory connector can be fixed in an accessory terminal box.
Frame Size: 160 to 200 Frame Size: 225 to 355
As reported previously, connections must be made using clamping torques that matches screw size:
screw size M4 M5 M6 M8 M10 M12
Clamping
Torque [n.m]
1.2 2 3 6 10 15.5
Minimum air distances, between conductors, specified by EN 60079-7 or IEC 60079-7 Standard:
Rated Voltage – U [V] Minimum air - distance [mm]
176 < U < 220 4
220 < U < 275 5
275 < U < 440 6
440 < U < 550 8
550 < U < 693 10
693 < U < 880 12
880 < U < 1100 14
2.3.3 PROTECTING DEVICES
Thermal Protector Device:
The type of protector used is thermistors (PTC – positive temperature coefficient).
Thermistors are semi-conductor heat detectors which sharply change their resistance upon reading a pre-set
temperature.
They are fitted into the winding and linked by a bushing line M10 x 1.5 (0.5 mm² cable) with a connector inside
the terminal box.
2.4 CABLE INLETS
They must be designed according to Installation and Type of Protection Standards specified in 2.1.
When cable inlets are provided with cable gland, this must be suitable to the unit and to the cable type; the
Connector
Bushing line M10 x 1.5
PTC / Winding
Winding
Connection
Protection Device Diagram