Derating With High Ambient Temperature; Maximum Ambient Temperature For 3Rm1.01 (0.5 A) And 3Rm1.02 (2 A); Derating For 7 A Devices - Siemens SIRIUS 3RM1 Manual

Load feeders and motor starters
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4.4 Derating with high ambient temperature

4.4
Derating with high ambient temperature
4.4.1

Maximum ambient temperature for 3RM1.01 (0.5 A) and 3RM1.02 (2 A)

For the versions 0.5 A and 2 A, the following ambient temperature limits apply depending on
the mounting position:
Mounting position
Vertically on horizontal rail
Horizontally on vertical rail
Upright on horizontal
rail/mounting surface
4.4.2

Derating for 7 A devices

The maximum settable rated operational current for 3RM1.07 motor starters depends on the
following factors:
● The utilization category: AC 53a / AC 51
● The mounting position: Vertical / horizontal / upright
● The design version: Individually / Alternately / Side-by-side
● Accessories: Device connector / Fuse module
60
Max. ambient temperature for 0.5 A and 2 A device for AC 53 a
Side-by-side
Individually/with 22.5 mm clearance
50 °C
45 °C
45 °C
Manual, 06/2016, A5E0345285095020A/RS-AE/005
60 °C
60 °C
60 °C
SIRIUS 3RM1 motor starter

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This manual is also suitable for:

Sirius 3rm10Sirius 3rm11Sirius 3rm12Sirius 3rm13

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