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Siemens 5SY4402-8 — 4-Pole MCB (DIN Rail)

Siemens 5SY4402-8 SENTRON MCB, 4P D-curve 2A, 10/35kA

MPN5SY4402-8
Active

Siemens SENTRON 5SY4402-8, 4-pole miniature circuit breaker, D characteristic, 2 A rated, 10 kA per EN 60898 / 35 kA per IEC 60947-2.

$341.20Ref. price · indicative, final on quote
Siemens 5SY4402-8 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

5SY4402-8 — Identification
ParameterValue
Brand nameSENTRON
Application suitabilityMechanical engineering / industry
5SY4402-8 — Ratings
ParameterValue
Number of poles4
Pole configuration4P
Rated current (In), AC2 A
Rated voltage, AC (multi-phase)440 V
Rated voltage, AC (single-phase)440 V
Voltage typeAC
5SY4402-8 — Protection
ParameterValue
Tripping characteristic (trip curve)D
Rated breaking capacity (Icn), per EN 6089810 kA
Rated breaking capacity, per IEC 60947-235 kA
Breaking capacity, AC (UL 1077 / CSA C22.2 No.235)5 kA
Overvoltage categoryIII
Pollution degree3
Degree of protection (IP)IP20, with connected conductors
Neutral conductor switchingNo
Touch protectionYes
5SY4402-8 — Mechanical
ParameterValue
Width in modular units4
Width72 mm
Height90 mm
Depth76 mm
Installation depth70 mm
Fastening / mounting methodQuick assembly system
Mounting positionany
Combined terminal, topYes
Combined terminal, bottomYes
Tightening torque, max.75 °C
Tightening torque, min.-40 °C
SealableYes
5SY4402-8 — Environmental
ParameterValue
Halogen-freeYes
Silicone-freeYes
Influence of ambient temperature (derating)max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C

Product details

4-pole D-curve MCB for industrial panels

The Siemens SENTRON 5SY4402-8 is a 4-pole miniature circuit breaker with a D tripping characteristic, rated 2 A at AC (50/60 Hz).

Standards and environmental compliance

Material declarations confirm halogen-free and silicon-free construction, supporting clean-environment and low-corrosion panel specifications. Ambient temperature range spans -40°C to 75°C with derating curves published for 35°C through 60°C (e.g., 1.9 A at 40°C, 1.8 A at 50°C). Humidity limits apply above 55°C per the spec table.

Frequently asked questions

What is the physical width of the 5SY4402-8?

72 mm, which corresponds to 4 modular width units on a DIN rail.

Is the 5SY4402-8 halogen-free?

Yes, it is halogen-free and silicon-free per the product specification.

What is the ambient temperature range for this MCB?

Operating ambient range is -40°C to 75°C, with published derating at elevated temperatures.

What is the IP rating?

IP20 with connected conductors.

MPN
5SY4402-8