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Siemens 5SL6520-6YA — 1-Pole MCB (DIN Rail)

Siemens 5SL6520-6YA SENTRON MCB, 1P+N, B, 20 A, 6 kA

MPN5SL6520-6YA

Siemens SENTRON 5SL6520-6YA, miniature circuit breaker, 1-pole+N, B-curve, 20 A, 6 kA breaking capacity per EN 60898, 230 V AC, 2 width units.

Siemens 5SL6520-6YA datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5SL6520-6YA — Identification
ParameterValue
Product designationMiniature circuit breaker
Brand nameSENTRON
Number of poles2
Application suitabilityResidential buildings/infrastructure
5SL6520-6YA — Electrical & Protection
ParameterValue
Tripping characteristic classB
Rated value (EN 60898)6 kA
Overvoltage category3
5SL6520-6YA — Mounting & Connection
ParameterValue
Mounting positionany
Width36 mm
Height90 mm
Depth76 mm
Installation depth70 mm
SealableYes
5SL6520-6YA — Environmental
ParameterValue
IP protection classIP20 with distribution board cover
Halogen-freeYes
Silicone-freeYes

Product details

The Siemens SENTRON 5SL6520-6YA is a 1-pole+N miniature circuit breaker rated 20 A at 230 V AC, B-curve, with a 6 kA breaking capacity per EN 60898. It switches the neutral conductor and fits into a standard 36 mm wide DIN-rail slot (2 width units).

Terminals accept solid or stranded conductors from 0.75 to 25 mm²; tighten to 2.5–3 N·m. IP20 with the distribution board cover fitted — fine for indoor panels, not for wet locations.

Rated for 50 Hz only. Overvoltage category 3 and energy limiting class 3 — standard for branch-circuit protection in final distribution.

Frequently asked questions

What is the breaking capacity of 5SL6520-6YA?

6 kA rated per EN 60898 at 230 V AC. That's the standard breaking capacity for residential and light commercial final circuits — adequate for most distribution boards where the prospective short-circuit current stays under 6 kA.

What conductor sizes does 5SL6520-6YA accept?

Solid or stranded conductors from 0.75 to 25 mm². The screw terminals are torqued to 2.5–3 N·m.

Where can I buy 5SL6520-6YA and how is it quoted?

Sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm price and lead time.

MPN
5SL6520-6YA