Siemens SINAMICS S120 Braking Modules (Booksize, Booksize Compact)

Braking Modules for SINAMICS S120 booksize and booksize compact line-ups that convert excess DC link energy into heat in an external braking resistor.

Key features

Dissipates regenerative energy when no regenerative infeed is used
Activation threshold 770 V (booksize Braking Module)
Booksize: 1.5 kW rated / 100 kW peak power
Digital inputs/outputs for control and status
Used with the matching braking resistors

Specifications

Brand	Siemens
Product line	SINAMICS S120
DC link voltage	510 ... 720 V DC
Component	Braking Module
Source	Siemens Catalog D 21.4 · 2026, p. 178-181

6SL3400-1AE31-0AA1		Format: Booksize compact \| Width: 50 mm
6SL3100-1AE31-0AB1		Format: Booksize \| Width: 50 mm

Inverter Options & AccessoriesSiemens

2 product codes available in this family

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Siemens SINAMICS S120 Braking Modules (Booksize, Booksize Compact)

Brand Siemens·Inverter Options & Accessories

Available part numbers (2)

6SL3400-1AE31-0AA1, 6SL3100-1AE31-0AB1

How to order

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