Schneider Electric M9R81440 Circuit Breaker
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See full specsSchneider Electric M9R81440 4 Pole Circuit Breaker
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Description
Schneider Electric M9R81440 4 Pole Circuit Breaker
The Schneider Electric M9R81440 is a 4 Pole thermal magnetic molded case circuit breaker with a current rating of 40 Amps and a voltage rating of 480Y/277VAC. It has an interrupting rating of 10kAIC at 240VAC. The M9R81440 has a DIN rail mounting type.
Specifications
| Amperage | 40A |
|---|---|
| Voltage | 240VAC, 480Y/277VAC |
| Series | Multi9 |
| Poles | 4 |
| Phase | 3 |
|---|---|
| Interrupting Rating | 10kAIC at 240VAC |
| Mounting Type | DIN Rail |
|---|---|
| Terminal Connection | Tunnel |
| Length (in) | 2.4 |
| Width (in) | 2.8 |
| Height (in) | 3.2 |
| Configuration | Single |
| Max Wire Size | AWG 2 |
| Min Wire Size | AWG 18 |
| Protection | GFEP |
|---|---|
| Circuit Breaker Type | Low Voltage |
| Actuator Type | Toggle |
| Approval | UL, EN/IEC |
|---|---|
| Standards | RoHS, REACh |
| Temperature Rating | -25 to 60 °C |
| Brand | Schneider Electric |
|---|---|
| Color | Gray |
Product FAQs
10 answersWhat is the earth-leakage sensitivity of the M9R81440?
This breaker has an earth-leakage sensitivity of 26 mA conforming to UL 1053 and 30 mA conforming to EN/IEC 61008-1.
What earth-leakage protection class does this breaker feature?
The M9R81440 features Type A-SI (Super Immunised) earth-leakage protection.
How is a fault trip indicated on this Multi9 breaker?
Tripping upon a fault is indicated by a red mechanical status indicator located on the front panel.
What is the operating temperature range for the M9R81440?
The operating temperature range is from -25 to 60 degrees Celsius.
What is the IP rating of this circuit breaker?
It has an IP20 degree of protection, which upgrades to IP40 once installed in a modular enclosure according to IEC/EN 60529 standards.
Which auxiliary contacts and releases are compatible with the M9R81440?
It is compatible with Multi9 accessories including the 26923 auxiliary contact, M9A26948 shunt trip release, and M9A26960 undervoltage release.
How much DIN rail space does this 4-pole breaker require?
The breaker occupies eight 9mm pitches, resulting in a total width of 72mm on a standard DIN rail.
What is the mechanical durability rating for this device?
The M9R81440 is rated for a mechanical durability of 20,000 operating cycles.
What are the physical dimensions and weight of the M9R81440?
The breaker measures 72mm wide, 81mm high, and 60mm deep, with a net weight of 0.45 kg.
Where is the neutral position located on this breaker?
The neutral position is located on the left side of the breaker.
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