Schneider Electric / Merlin Gerin 24439 Miniature Circuit Breaker
- 50A
- 1 Pole
- DIN Rail
Quantity
Schneider Electric / Merlin Gerin 24439 - 50A 1 Pole Miniature Circuit Breaker
New
Quantity
Description
Providing 50A of circuit protection, this single-pole miniature breaker is a key component of the Schneider Electric Multi 9 C60N lineup. It installs onto standard DIN rails, making it ideal for OEM control panels and commercial enclosures. This specific model has been superseded by the M9F22150 for newer installations. The breaker features a C-Curve trip characteristic and delivers a 10kA interrupting capacity at 240VAC, complete with positive contact indication.Specifications
| Brand | Schneider Electric / Merlin Gerin |
|---|---|
| Part Number | 24439 |
| Series | C60N |
| Amperage | 50A |
| Poles | 1 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 277VAC, 65VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC, 5kA @ 277VAC, 10kA @ 65VDC |
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | DIN Rail Panels, Multi 9 Modular Enclosures, OEM Control Panels |
| Wire Gauge | 14-2 AWG |
| Max Wire | 2 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Curve | C |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Busbar System |
|---|---|
| Standards | CSA C22.2 No 235, EN/IEC 60947-2, GB 14048.2, UL 1077 |
| Approval | CCC, CSA, IEC, UR, VDE |
| Temp Rating | -30C to 70C |
| Construction Features | Current Limiting, Trip-Free Mechanism, Reverse Feed |
Product FAQs
5 answersWhat is the direct replacement for the Merlin Gerin 24439 circuit breaker?
The 24439 has been superseded by Schneider Electric part number M9F22150. The M9F22150 is the direct replacement in the Multi 9 C60SP series, offering the exact same 50A rating, 1-pole configuration, and C-curve trip characteristic.
What is the trip curve characteristic for the 24439 miniature circuit breaker?
This breaker features a C-curve trip profile. It is designed to trip between 7 and 10 times the rated current, making it ideal for applications with moderate inrush currents such as small transformers, control circuits, and lighting loads.
Can the 24439 breaker be used as a primary branch circuit breaker?
No, the 24439 is a UL 1077 recognized supplementary protector. It is designed to provide additional protection within appliances or OEM electrical equipment where branch circuit protection is already provided upstream.
What wire sizes are compatible with the terminals on the 24439 breaker?
The screw clamp terminals on this breaker accept wire gauges ranging from 14 AWG up to 2 AWG. Ensure proper torque specifications are followed during installation to maintain a secure connection.
Does the 24439 breaker provide positive contact indication?
Yes, this Multi 9 series breaker features positive contact indication. This ensures physical contact opening, allowing for safe downstream maintenance and operations.
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