Schneider Electric M9F21308 Circuit Breaker
- 8A
- 3 Pole
- DIN Rail
Quantity
Schneider Electric M9F21308 3 Pole Circuit Breaker
New
Quantity
Description
Schneider Electric M9F21308 3 Pole Circuit Breaker
The Schneider Electric M9F21308 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 8 Amps and a voltage rating of 240/415/440VAC. It has an interrupting rating of 14kAIC at 240VAC. The M9F21308 has a DIN rail mounting type.
Specifications
| Brand | Schneider Electric |
|---|---|
| Series | C60SP |
| Amperage | 8A |
| Poles | 3 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 415VAC, 440VAC, 480Y/277VAC |
| Phase | 3 |
| AIC Rating | 14kA @ 240VAC, 10kA @ 480Y/277VAC |
| Frame Type | M9F |
|---|---|
| Terminal Type | Screw/Clamp Terminal |
| Wire Gauge | 18-8 AWG |
| Max Wire | 8 AWG |
| Min Wire | 18 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-time, Instantaneous |
| Trip Adjustability | Fixed |
| Standards | RoHS, REACh |
|---|---|
| Approval | EN/IEC, GB/T, UL, CSA, CCC, UR |
| Temp Rating | -30 to 70 °C |
Product FAQs
6 answersWhat trip curve does the M9F21308 circuit breaker use?
This Multi9 C60SP breaker features a B trip curve. It is designed to trip magnetically at 4 times the rated current, making it ideal for protecting sensitive equipment and control circuits with low inrush currents.
What safety standards does the Schneider Electric M9F21308 meet?
It is a UL 1077 recognized supplementary protector. It also complies with IEC/EN 60947-2 and CSA C22.2 No. 235 standards for global equipment protection applications.
What is the interrupting capacity of this breaker at 480Y/277V?
While it provides 14kAIC at 240VAC, the M9F21308 is rated for a 10kA interrupting capacity when used on a 480Y/277VAC system under UL 1077.
What types of applications are suitable for the M9F21308?
As a B-curve supplementary protector, it is typically used within equipment to protect sensitive circuits, such as process control panels, semiconductor machines, computers, and medical equipment against short circuits and overloads.
How is the M9F21308 breaker mounted in a control panel?
This miniature circuit breaker snaps directly onto a standard 35mm DIN rail. Its modular design saves panel space and simplifies installation in control cabinets.
Does the M9F21308 provide positive contact indication for safety?
Yes, it features a green strip on the toggle that ensures physical contact opening, providing safe and reliable isolation for downstream maintenance operations.
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