Siemens SIRIUS 3RM1 - Derating with High Ambient Temperature; Maximum Ambient Temperature for 3 RM1.01 (0.5 A) and 3 RM1.02 (2 A); Derating for 7 a Devices

Configuration
4.4 Derating with high ambient temperature
SIRIUS 3RM1 motor starter
60 Manual, 06/2016, A5E0345285095020A/RS-AE/005
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
Max. ambient temperature for 0.5 A and 2 A device for AC 53 a
Side-by-side
Individually/with 22.5 mm clearance
Vertically on horizontal rail
50 °C
60 °C
Horizontally on vertical rail
45 °C
60 °C
Upright on horizontal
rail/mounting surface
45 °C 60 °C
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