Siemens SENTRON 5SJ4325-7HG42 is a 25 A, 3-pole miniature circuit breaker (MCB) from the 5SJ4 series, built for industrial control panels and distribution boards. Mounts on standard DIN rail (35 mm), occupies 3 modular width units (54 mm), with an installation depth of 70 mm. Protection class IP20 with connected conductors, IP40 in the handle range. Terminal tightening torque 3.5 Nm for Cu conductors.
Siemens 5SJ4325-7HG42 SENTRON MCB, 25 A, 3-Pole
MPN5SJ4325-7HG42
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Siemens SENTRON 5SJ4325-7HG42, Miniature circuit breaker, 3P, 25 A, on standard mounting rail.
$107.95Ref. 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) | C |
| Breaking capacity per EN 60898 | 10 kA |
| Breaking capacity per IEC 60947-2 | 15 kA |
| Overvoltage category | 3 |
| IP protection class | IP20, with connected conductors, IP 40 in the handle range |
| Pollution degree | 3 |
| Parameter | Value |
|---|---|
| Voltage type (AC/DC) | AC/DC |
| Supply frequency range | 50/60 Hz |
| Power loss per pole at rated current (AC, hot) | 2.9 W |
| Neutral conductor switching | No |
| Parameter | Value |
|---|---|
| Modular width units | 3 |
| Mounting position | any |
| Width | 54 mm |
| Height | 121 mm |
| Depth | 70 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 | on standard mounting rail |
| Sealable | Yes |
| Accepts supplementary devices | Yes |
| Parameter | Value |
|---|---|
| Halogen-free | Yes |
| Silicone-free | Yes |
| Vibration resistance (IEC 60068-2-6) | ±1 mm at 5 to 25 Hz; 50 m/s² at 25 to 150 Hz |
Product details
Frequently asked questions
What is the IP rating?
IP20 with conductors connected, IP40 in the handle area.
MPN
5SJ4325-7HG42