Schneider Electric M9R41225 GFEP Miniature Circuit Breaker
- 25A
- 2 Pole
- DIN Rail
Quantity
Schneider Electric M9R41225 - 25A GFEP Miniature Circuit Breaker
New
Quantity
Description
Built for overcurrent and residual current protection, the Schneider Electric M9R41225 miniature circuit breaker is rated 25A with 2 poles and 240VAC or 480Y/277VAC operation. This Multi9 GFP series breaker mounts on a DIN rail. It has Type A-SI residual-current operation and 30mA ground-fault sensitivity. A toggle actuator and trip indicator are included. It has UL approval, with EN/IEC 61008-1 and UL 1053 standards.Specifications
| Brand | Schneider Electric |
|---|---|
| Part Number | M9R41225 |
| Series | Multi9 |
| Amperage | 25A |
| Poles | 2 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 480Y/277VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 480Y/277VAC |
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | Schneider Electric Multi9 Enclosures and DIN Rails |
| Wire Gauge | 18-2 AWG |
| Max Wire | 2 AWG |
| Min Wire | 18 AWG |
| Trip Technology | Thermal Magnetic |
|---|
| Standards | EN/IEC 61008-1, UL 1053, UL 489 |
|---|---|
| Approval | UL |
| Temp Rating | -25C to 60C |
Product FAQs
9 answersHow does the Schneider Electric M9R41225 protect against overloads and short circuits?
This 25A miniature circuit breaker uses thermal-magnetic trip technology. The thermal element responds to sustained overloads, while the magnetic element responds to short-circuit current. Select the current rating to suit the circuit load and conductor protection requirements.
Which system voltages should I check before selecting this breaker?
The voltage ratings are 240VAC and 480Y/277VAC, with a frequency rating of 50/60Hz. Match both the voltage and system configuration, including the wye configuration represented by 480Y/277VAC, to the installation.
What does the 30mA Type A-SI residual-current protection mean for circuit selection?
Residual-current protection detects current imbalance that can indicate leakage to ground, with a sensitivity of 30mA. The residual-current type is Type A-SI; Type A protection responds to sinusoidal AC and pulsating DC residual currents. Use these characteristics when evaluating the circuit's leakage-protection requirements.
What circuit arrangement should I select this breaker for?
This is a 2-pole device for a single-phase circuit arrangement. Use the pole count and phase rating when selecting protection for a circuit that requires two poles.
What conductor sizes and terminal torque should I use?
The tunnel terminals have a wire range of 18 AWG to 2 AWG. Select conductors within that range and tighten the terminals to 31.0 lb-in (3.5 N·m) using a torque tool.
How is this breaker mounted, and how much space should I plan for?
The breaker mounts on DIN rail. Its dimensions are 3.2 in high, 2.4 in long and 1.4 in wide; use those dimensions when allocating installation space.
How should I interpret the operating and calibration temperatures?
The operating temperature range is -25 to 60 °C, so check that the installation's ambient conditions stay within that range. The 40°C calibration temperature is the reference temperature for the thermal trip characteristics, rather than the upper operating limit.
How do the toggle actuator and trip indicator help during operation?
The toggle actuator allows manual operation, while the trip indicator signals a protective trip. Use the indicator when checking breaker status, and investigate the cause of a trip before resetting.
How do I use the 10kAIC interrupting rating when selecting this breaker?
The interrupting rating is 10kAIC at 240VAC. For a 240VAC application, select this breaker only where the available fault current at the installation point does not exceed its rated interrupting capacity.
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