Schneider Electric Easy9 EZ9F53240 miniature circuit breaker, 2-pole, C-curve, 40 A rated current, 3 kA Icu at 400 V AC, thermal-magnetic trip, tunnel terminals 1–35 mm², IP20, clip-on mounting.
| Parameter | Value |
|---|---|
| Series / family | Easy9 |
| Device short name | Easy9 MCB |
| Product / component type | Miniature circuit-breaker |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| Rated current [In] | 40 A |
| Number of protected poles | 2 |
| Rated operational voltage [Ue] | 400 V AC 50/60 Hz |
| Network type (AC/DC) | AC |
| Network frequency | 50/60 Hz |
| Parameter | Value |
|---|---|
| Tripping curve code | C |
| Magnetic tripping limit | 8.5 x In +/- 20 % |
| Breaking capacity (Icu) | 3 kA Icu at 400 V AC 50/60 Hz conforming to SANS 60947-2 |
| Rated service breaking capacity [Ics] | 3 kA 100 % x Icu at 400 V AC 50/60 Hz conforming to SANS 60947-2 |
| Energy limitation class | 3 conforming to SANS 60947-2 |
| Suitable for isolation | Yes conforming to SANS 60947-2 |
| Trip unit technology | Thermal-magnetic |
| Operating / control type | Toggle |
| Mechanical durability (cycles) | 10000 cycles |
| Parameter | Value |
|---|---|
| 9 mm pitches | 4 |
| Width | 36 mm |
| Height | 81 mm |
| Depth | 66.5 mm |
| Mounting support | DIN rail |
| Mounting mode | Clip-on |
| Terminal connections | Tunnel type terminal (top or bottom) 1...35 mm² rigid Tunnel type terminal (top or bottom) 1...35 mm² flexible |
| Terminal tightening torque | 3.5 N.m top or bottom |
| Local signalling / indication | Without |
| Contact position indicator | Yes |
| Parameter | Value |
|---|---|
| Operating temperature range | -5...60 °C |
| Storage temperature range | -40...85 °C |
| Relative humidity | 95 % at -5...60 °C |
| Parameter | Value |
|---|---|
| Standards / compliance | SANS 60947-2 |
The EZ9F53240 is a Schneider Easy9 miniature circuit breaker with 2 poles, a C-curve trip characteristic, and a 40 A rated current, built to SANS 60947-2. It carries a 3 kA ultimate breaking capacity (Icu) at 400 V AC and is rated limitation class 3, meaning it limits let-through energy under short-circuit conditions.