Datasheet
● for three-phase AC motor
— at 200/208 V rated value
3hp
— at 220/230 V rated value
3hp
— at 460/480 V rated value
7.5hp
— at 575/600 V rated value
10hp
Short-circuit protection
Product function Short circuit protection Yes
Design of the short-circuit trip magnetic
Conditional short-circuit current (Iq)
● at 400 V acc. to IEC 60947-4-1 rated value
150000A
Installation/ mounting/ dimensions
Mounting position vertical
Mounting type for snapping onto 60 mm busbar systems
Height 260mm
Width 45mm
Depth 165mm
Required spacing
● for grounded parts
— forwards
20mm
— Backwards
0mm
— upwards
50mm
— at the side
20mm
— downwards
10mm
● for live parts
— forwards
20mm
— Backwards
0mm
— upwards
50mm
— downwards
10mm
— at the side
20mm
Connections/ Terminals
Type of electrical connection
● for main current circuit
spring-loaded terminals
Safety related data
B10 value
● with high demand rate acc. to SN 31920
1000000
Proportion of dangerous failures
● with high demand rate acc. to SN 31920
73%
Certificates/ approvals
3RA2120-1KH24-0BB4 Subject to change without notice
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09/11/2019 © Copyright Siemens