D-curve motor and transformer protection
The 5SY4332-8: At DC it breaks 15 kA per IEC 60947-2, and under UL 1077 it is listed at 5 kA.
Panel fit and environmental range
Halogen-free and silicon-free construction.
Siemens 5SY4332-8 MCB, 3-Pole D-Curve, 32A, 10kA
MPN5SY4332-8
Active
Siemens SENTRON 5SY4332-8, 3-pole miniature circuit breaker, D-curve, 32 A, 10 kA breaking capacity per EN 60898-1, 54 mm width, 3 MW units.
$24.71Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Brand name | SENTRON |
| Number of poles | 3 |
| Pole configuration | 3P |
| Suitability for operation | Mechanical engineering / industry |
| Parameter | Value |
|---|---|
| Tripping characteristic (curve) | D |
| Breaking capacity per EN 60898 | 10 kA |
| Breaking capacity per IEC 60947-2 | 20 kA |
| Overvoltage category | III |
| IP protection class | IP20, with connected conductors |
| Pollution degree | 3 |
| Parameter | Value |
|---|---|
| Rated voltage (AC, multi-phase) | 440 V |
| Voltage type (AC/DC) | AC |
| Supply frequency range | 50/60 Hz |
| Power loss per pole at rated current (AC, hot) | 2.1 W |
| Mechanical service life (operating cycles, typ.) | 10 000 |
| Neutral conductor switching | No |
| Rated voltage (AC, single-phase) | 440 V |
| Parameter | Value |
|---|---|
| Modular width units | 3 |
| Mounting position | any |
| Width | 54 mm |
| Height | 90 mm |
| Depth | 76 mm |
| Installation depth | 70 mm |
| Terminal tightening torque, max. | 75 °C |
| Terminal tightening torque, min. | -40 °C |
| Combined terminal, top | Yes |
| Combined terminal, bottom | Yes |
| Fastening method | Quick assembly system |
| Sealable | Yes |
| Accepts supplementary devices | Yes |
| Parameter | Value |
|---|---|
| Halogen-free | Yes |
| Silicone-free | Yes |
| Influence of surrounding temperature | max. 95% to 55°C, max. 55% to 70°C, max. 35% to 75°C |
| Vibration resistance (IEC 60068-2-6) | ±1mm at 5 to 25Hz; 50m/s² at 25 to 150Hz |
Product details
Frequently asked questions
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Is Siemens 5SY4332-8 obsolete or still active?
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What is the direct replacement for Siemens 5SY4332-8?
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What are the dimensions of Siemens 5SY4332-8?
Design engineers need physical fit verification for panel layout and DIN rail spacing.
Does Siemens 5SY4332-8 have a D curve and 32A rating?
Verification of the trip characteristic and current rating is critical for circuit protection design.
MPN
5SY4332-8