Schneider Electric MG24544 Miniature Circuit Breaker
- 40A
- 3 Pole
- DIN Rail
Quantity
Schneider Electric MG24544 - 40A 3 Pole Miniature Circuit Breaker
New
Quantity
Description
Part of the PowerPacT family, the Schneider Electric MG24544 delivers reliable protection for industrial motor control. This 40A, 3-pole miniature breaker utilizes a D-curve thermal-magnetic trip unit to handle high inrush currents. Designed for seamless integration, it installs onto standard DIN rails and OEM panels. It accepts 14-4 AWG wire and replaces the M9F23340 model. Rated 10kAIC at 240V, this current-limiting device features positive contact indication and a trip-free mechanism.Specifications
| Brand | Schneider Electric |
|---|---|
| Series | MG |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 480Y/277VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 480Y/277VAC |
| Frame Type | MG |
|---|---|
| Terminal Type | Screw/Clamp Terminal |
| For Use With | DIN Rail Enclosures, OEM Panels |
| Wire Gauge | 14-4 AWG |
| Max Wire | 4 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Curve | D |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Terminal Shields |
|---|---|
| Standards | CSA C22.2 No 235, IEC 60947-2, UL 1077 |
| Approval | CCC, CSA, IEC, UR |
| Temp Rating | -30C to 70C |
| Construction Features | Current Limiting, Reverse Feed |
Product FAQs
5 answersHow is the MG24544 installed in a control panel?
This miniature circuit breaker is designed for DIN rail mounting in OEM panels and compatible enclosures. It secures directly to standard DIN rails and features screw and clamp terminals that accept 14 to 4 AWG wiring.
Can the trip settings on the MG24544 be adjusted for different loads?
No, this breaker uses a fixed thermal-magnetic trip unit. The long-time and instantaneous (LI) protection parameters are factory-set and cannot be modified in the field.
Is the MG24544 rated for direct current (DC) systems?
Yes, alongside its standard AC ratings, this breaker is rated for up to 125VDC. This makes it suitable for DC control circuits and specialized OEM panel applications requiring reliable thermal-magnetic protection.
Under which brands is the MG24544 catalog number sold?
The MG24544 is manufactured by Schneider Electric and is frequently distributed under the Square D brand. It is part of the Multi 9 C60 family of miniature circuit breakers and supplementary protectors.
What type of overcurrent protection does the MG24544 provide?
It utilizes thermal-magnetic technology to provide both long-time protection against sustained overloads and instantaneous protection against short circuits, ensuring comprehensive safety for connected equipment.
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