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Siemens 5SY7163-8 — 1-Pole MCB (DIN Rail)

Siemens 5SY7163-8 SENTRON MCB, 1P D 63 A, 15 kA

MPN5SY7163-8
Active

Siemens SENTRON 5SY7163-8, 1-pole miniature circuit breaker, D tripping characteristic, 63 A rated current, 15 kA breaking capacity per IEC/EN 60898-1, 18 mm width.

Siemens 5SY7163-8 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5SY7163-8 — Identification
ParameterValue
Product designationMiniature circuit breaker
Brand nameSENTRON
Number of poles1
Pole design1P
Application suitabilityMechanical engineering / industry
5SY7163-8 — Electrical & Protection
ParameterValue
Tripping characteristic classD
Overvoltage categoryIII
5SY7163-8 — Mounting & Connection
ParameterValue
Mounting positionany
Fastening methodQuick assembly system
Combined terminal, topYes
Combined terminal, bottomYes
Width18 mm
Height90 mm
Depth76 mm
Installation depth70 mm
Modular width units1
Torque, min.-40 °C
Torque, max.75 °C
SealableYes
5SY7163-8 — Environmental
ParameterValue
IP protection classIP20, with connected conductors
Pollution degree3
Halogen-freeYes
Silicone-freeYes

Product details

The Siemens 5SY7163-8 is a SENTRON 1-pole miniature circuit breaker with a D tripping characteristic, rated 63 A at 35 °C and 15 kA breaking capacity per IEC/EN 60898-1. It also carries a 15 kA rating per IEC 60947-2 and UL1077, giving dual-standard coverage for industrial panels and OEM machinery.

Derating and ambient limits

At 40 °C the breaker carries 59.16 A; at 50 °C it drops to 55.06 A; at 60 °C it is 50.65 A. The operating range spans -40 °C to 75 °C, with humidity limits of 95% up to 55 °C, 55% up to 70 °C, and 35% at 75 °C.

Depth is 76 mm (70 mm installation depth).

Frequently asked questions

How do I get current pricing and availability for 5SY7163-8?

Submit an RFQ through the storefront. The part is sourced to order against an RFQ via independent distribution; pricing and stock are confirmed at quote time.

What is 5SY7163-8's listed depth (76 mm) on this component line?

The overall depth is 76 mm; the installation depth (behind the panel face) is 70 mm.

What is 5SY7163-8's listed width (18 mm) on this component line?

Width is 18 mm, which is one modular unit (1 MW) on standard DIN-rail.

What compliance documentation does this brand provide for 5SY7163-8 (RoHS, REACH, UL, IEC)?

The breaker is certified to IEC/EN 60898-1, IEC/EN 60947-2, and UL1077. It is halogen-free and silicon-free. The SENTRON series typically ships with a declaration of conformity covering the applicable standards.

MPN
5SY7163-8