Datasheet

Product function Short circuit protection No
Design of the fuse link
● for short-circuit protection of the main circuit
— with type of coordination 1 required
gG: 250 A (690 V,100 kA)
— with type of assignment 2 required
gR: 250 A (690 V, 100 kA)
● for short-circuit protection of the auxiliary switch
required
gG: 10 A (500 V, 1 kA)
Installation/ mounting/ dimensions
Mounting position +/-180° rotation possible on vertical mounting surface; can be
tilted forward and backward by +/- 22.5° on vertical mounting
surface
Mounting type screw and snap-on mounting onto 35 mm standard mounting rail
according to DIN EN 60715
● Side-by-side mounting
Yes
Height 140mm
Width 70mm
Depth 152mm
Required spacing
● with side-by-side mounting
— forwards
20mm
— upwards
10mm
— downwards
10mm
— at the side
0mm
● for grounded parts
— forwards
20mm
— upwards
10mm
— at the side
10mm
— downwards
10mm
● for live parts
— forwards
20mm
— upwards
10mm
— downwards
10mm
— at the side
10mm
Connections/ Terminals
Type of electrical connection
● for main current circuit
box terminal
● at contactor for auxiliary contacts
Screw-type terminals
● of magnet coil
Screw-type terminals
Type of connectable conductor cross-sections
● for main contacts
— solid
2x (2.5 ... 16 mm²)
— stranded
2x (2,5 ... 16 mm²), 2x (10 ... 50 mm²), 1x (10 ... 70 mm²)
3RT2448-1AB00 Subject to change without notice
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09/13/2019 © Copyright Siemens