Most explosion-proof motors frame size 315 and above of Siemens AG can be used as marine motors if the appropriate order codes are used. The following table shows the available series of explosion-proof motors frame size 315 and above (individual acceptance required):
Motor type |
Standard |
Frame design |
Motor series |
Motor frame sizes |
Output range in kW Output data for mains-fed operation 50 Hz at CT 45 °C |
|---|---|---|---|---|---|
Self-ventilated motors inZone 2 with type of protection "n" |
IP55 |
Cast-iron |
1LA8 |
315 ... 450 |
160 ... 1000 1) |
Self-ventilated motors inZone 22 with protection against dust explosions |
IP55 |
Cast-iron |
1LA8 |
315 ... 450 |
160 ... 1000 2) |
1) At a coolant temperature of 45° C, the output is reduced by 4 %. When used in accordance with temperature class 130 (B), the output is reduced by a further 15 %.
2) At a coolant temperature of 45 °C when used according to temperature class 155 (F), the output is reduced by 4 %.
For technical specifications and selection and ordering data, see the relevant sections of "Explosion-proof motors".
For further information about order codes see "Special versions".
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