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Siemens 5SY3106-6 — 1-Pole MCB (DIN Rail)

Siemens 5SY3106-6 SENTRON MCB, 1P B-Char 6A 4.5kA

MPN5SY3106-6

Siemens SENTRON 5SY3 series, miniature circuit breaker, 1-pole B-curve, 6 A, 400 V AC, 4.5 kA (EN 60898), 18 mm wide, IP20.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

5SY3106-6 — Identification
ParameterValue
Product designationMiniature circuit breaker
Brand nameSENTRON
Number of poles1
5SY3106-6 — Electrical & Protection
ParameterValue
Tripping characteristic classB
Rated value (EN 60898)4.5 kA
Overvoltage categoryIII
5SY3106-6 — Mounting & Connection
ParameterValue
Mounting positionany
Combined terminal, topYes
Combined terminal, bottomYes
Width18 mm
Height90 mm
Depth76 mm
Installation depth70 mm
Torque, min.-40 °C
Torque, max.75 °C
SealableYes
5SY3106-6 — Environmental
ParameterValue
IP protection classIP20, with connected conductors
Pollution degree3
Halogen-freeYes
Silicone-freeYes

Product details

It's built to protect branch circuits in final distribution panels — think lighting, socket outlets, or control transformers where the inrush is modest and the load is resistive or slightly inductive.

Breaking capacity and standards

Rated breaking capacity is 4.5 kA per EN 60898 and 6 kA per IEC 60947-2. For DC applications it's rated 15 kA at 72 V per IEC 60947-2, and 5 kA per UL 1077 and CSA C22.2 No. 235. The energy limiting class is 3, so it clears fast and limits let-through energy well.

Physical fit and mounting

Mounting position is any, which helps in tight retrofit panels.

Frequently asked questions

Who supplies 5SY3106-6 and how is it quoted for volume purchases?

This part is sourced through independent distribution channels and quoted to order against an RFQ. Availability and current pricing are confirmed at quote time.

What is 5SY3106-6's listed depth (76 mm) on this component line?

Depth is 76 mm, with an installation depth of 70 mm. Width is 18 mm (1 width unit), height 90 mm.

Will 5SY3106-6 drop into a panel that was specified around 5SY4140-7 without rewiring?

Both are 1-pole MCBs on DIN rail, same 18 mm width, so the physical fit is the same. But the 5SY4140-7 is a 40 A C-curve — you cannot swap a 6 A B-curve onto a circuit designed for 40 A without re-evaluating the load and conductor sizing.

What compliance documentation does this brand provide for 5SY3106-6 (RoHS, REACH, UL, IEC)?

The part carries ratings per EN 60898, IEC 60947-2, UL 1077, and CSA C22.2 No. 235. It's halogen-free and silicon-free. Siemens typically provides RoHS and REACH declarations on request through their documentation portal.

MPN
5SY3106-6