Schneider Electric A9N21045
MPNA9N21045
Obsolete
A9N21045 - CIRCUIT BREAKER by SCHNEIDER ELECTRIC
$108.01Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
| Parameter | Value |
|---|---|
| Control type | Toggle |
| Network type | AC |
| Range of product | ProDis |
| Product or component type | Miniature circuit-breaker |
| Voltage | 440 V AC 50 Hz |
| [Ue] rated operational voltage | 400 V AC 50 Hz between phases |
| [Uimp] rated impulse withstand voltage | 4 kV conforming to IEC 60947-2 |
| Breaking capacity | 4500 A Icn at 400 V AC 50 Hz conforming to EN/IEC 60898-1 6 kA Icu at 400...415 V AC 50 Hz conforming to IEC 60947-2 |
| Current | 16 A |
| [Ics] rated service breaking capacity | 4500 A 100 % x Icn at 400 V AC 50 Hz conforming to EN/IEC 60898-1 4.5 kA 75 % x Icu at 400 V AC 50 Hz conforming to IEC 60947-2 |
| Network frequency | 50 Hz |
| Poles description | 3P |
All specifications
| Parameter | Value |
|---|---|
| Number of protected poles | 3 |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Mounting mode | Clip-on |
| Mounting support | DIN rail |
| Wire stripping length | 13 mm |
| Connections - terminals | Tunnel type terminals downstream 0.33...10 mm² flexible Tunnel type terminals downstream 0.75...16 mm² rigid Tunnel type terminals upstream 0.33...10 mm² flexible Tunnel type terminals upstream 0.75...16 mm² rigid |
| Pollution degree | 3 conforming to IEC 60947-2 |
| Relative humidity | 95 % at 55 °C |
| Operating altitude | 2000 m |
| Depth | 78 mm |
| Width | 54 mm |
| Color | White |
| Height | 81 mm |
| Electrical durability | 20000 cycles |
| Mechanical durability | 20000 cycles |
| Standards | EN/IEC 60898-1 EN/IEC 60947-2 |
| Range | Prodis |
| Curve code | C |
| 9 mm pitches | 6 |
| Quality labels | NF |
| Tropicalisation | 2 conforming to IEC 60068-1 |
| Limitation class | 3 conforming to EN/IEC 60898-1 |
| Local signalling | ON/OFF indication |
| Device short name | DT40 |
| Tightening torque | 2 N.m |
| Device application | Distribution |
| Trip unit technology | Thermal-magnetic |
| Magnetic tripping limit | 5...10 x In |
| Earth-leakage protection | Separate block |
| Suitability for isolation | Yes |
| Contact position indicator | Yes |
| Locking options description | Padlocking device |
| Ambient air temperature for storage | -40...70 °C |
| Ambient air temperature for operation | -25...70 °C |
MPN
A9N21045