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Systemair NOVA drive 370
The connectors for the inverter come in 2 sizes. A larger one for the power (motor + supply) and alarm relay and small-
er ones for the signal wires. Detailed information regarding allowed wire termination or wire types can be seen in Table
4.
Connector Connection type Size
Motor (U,V,W);
Supply (N,L);
Alarm (NC, COM, NO)
Solid wire(1),(2) 0.2 – 4.0 mm2 (26 – 12 AWG)
Stranded wire(1) 0.2 – 2.5 mm2 (26 – 14 AWG)
Flat blade max. 3.5 mm
Analogue Control (0V, Uin, Uout);
Rotary Sensor (0V, RUN, DIR);
MODBUS (0V, B, A)
Solid wire(1) 0.2 – 1.5 mm2 (26 – 16 AWG)
Stranded wire(1) 0.2 – 1.5 mm2 (26 – 16 AWG)
Flat blade max. 2.5 mm
NOTE:
(1): Max length of wire strip is 9 – 10 mm.
(2): Solid wire connection not allowed for Motor Connector!
Table 4 – Connector connection types
Figure 3 – Drive mounting torque and allowed wire dimensions
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