Schneider Electric M9R84440 Circuit Breaker
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See full specsSchneider Electric M9R84440 4 Pole Circuit Breaker
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Description
Schneider Electric M9R84440 4 Pole Circuit Breaker
The Schneider Electric M9R84440 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 1.5kAIC at 240VAC. The M9R84440 has a DIN rail mounting type.
Specifications
| Amperage | 40A |
|---|---|
| Voltage | 240VAC, 480Y/277VAC |
| Series | Multi9 |
| Poles | 4 |
| Phase | 3 |
|---|---|
| Interrupting Rating | 1.5kAIC 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, CCC |
|---|---|
| Standards | RoHS, REACh |
| Temperature Rating | -25 to 60 °C |
| Brand | Schneider Electric |
|---|---|
| Color | Gray |
Product FAQs
8 answersWhat is the earth-leakage sensitivity rating for the M9R84440?
This Multi9 Ground Fault Protector (GFP) has an earth-leakage sensitivity of 260 mA according to UL 1053 standards and 300 mA under EN/IEC 61008-1 standards.
What does the Type A-SI classification indicate on this residual current circuit breaker?
The Type A-SI (Super Immunized) classification means the breaker offers enhanced immunity to electrical network disturbances, which helps prevent nuisance tripping in environments with high electrical noise.
How much DIN rail space is required to mount this 4-pole breaker?
The breaker has a total width of 72 mm, which occupies eight standard 9 mm pitches on a 35mm DIN rail.
What wire sizes are accepted by the terminals on the M9R84440?
The top and bottom tunnel terminals accept rigid copper wiring from AWG 18 to AWG 2 and flexible wiring from AWG 18 to AWG 3.
Is this breaker compatible with both 50 Hz and 60 Hz electrical networks?
Yes, it is rated for use on both 50 Hz and 60 Hz networks, supporting 480Y/277VAC at 60 Hz and up to 415VAC at 50 Hz.
Does this breaker feature a local status indicator for fault tripping?
Yes, the front panel includes a mechanical status indicator that displays a red signal to indicate when the device has tripped due to a fault.
What are the compatible auxiliary contacts for the M9R84440?
This breaker is compatible with Multi9 auxiliary contacts, such as the Schneider Electric 26923 designed specifically for RCCB top connection.
What is the operating temperature range for this Multi9 GFP breaker?
The M9R84440 is rated for operation in ambient air temperatures ranging from -25 degrees Celsius to 60 degrees Celsius.
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