Schneider Electric M9F21101 Miniature Circuit Breaker
- 1A
- 1 Pole
- DIN Rail
Quantity
Schneider Electric M9F21101 - 1A 1 Pole Miniature Circuit Breaker
New
Quantity
Description
Part of the Multi9 C60SP series, this single-pole 1A supplementary protector delivers reliable thermal-magnetic defense for industrial applications. It is engineered to safeguard sensitive equipment where standard branch protection is already provided. Installs into standard DIN rail panels and OEM control enclosures. This unit serves as a functional replacement for the legacy 24045 model. Featuring a B-curve trip profile, it limits let-through current and includes a contact position indicator.Specifications
| Brand | Schneider Electric |
|---|---|
| Series | C60SP |
| Amperage | 1A |
| Poles | 1 |
| Mounting Style | DIN Rail |
| Voltage | 120VAC, 240VAC, 277VAC, 415VAC, 65VDC |
| Phase | 1 |
| AIC Rating | 14kA @ 120VAC, 14kA @ 240VAC, 10kA @ 277VAC, 3kA @ 415VAC, 10kA @ 65VDC |
| Terminal Type | Screw/Clamp Terminal |
|---|---|
| For Use With | DIN Rail Panels, OEM Control Panels |
| Wire Gauge | 18-4 AWG |
| Max Wire | 4 AWG |
| Min Wire | 18 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Curve | B |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Padlock Attachment (Provision) |
| Standards | CSA C22.2 No 235, EN/IEC 60898-1, EN/IEC 60947-2, GB 14048.2, UL 1077 |
| Approval | CCC, CE, CSA, EAC, IEC, UR |
| Temp Rating | -30C to 70C |
| Construction Features | Current Limiting, RoHS Compliant |
Product FAQs
8 answersWhat is the trip curve for the M9F21101 breaker?
The M9F21101 features a B-curve thermal-magnetic trip profile. B-curve breakers are designed to trip at lower fault currents (typically 4 times the rated current in AC networks), making them ideal for protecting resistive loads, PLCs, or control circuits with very low inrush currents.
Is the Schneider Electric M9F21101 rated for branch circuit protection?
No. The Multi9 C60SP series is UL 1077 recognized as a supplementary protector. It is not a UL 489 listed branch circuit breaker. It must be installed downstream of an approved branch circuit overcurrent protective device.
Can the M9F21101 be used in DC control circuits?
Yes, this breaker is multi-standard and rated for both AC and DC networks. It provides a 10 kA interrupting rating at 65 VDC, making it suitable for low-voltage DC control panels and automation equipment.
How is the M9F21101 installed in a panel?
This miniature circuit breaker features a clip-on mounting system designed for standard 35mm DIN rails. It allows for tool-free installation in DIN rail panels and OEM control enclosures.
What accessories are compatible with the M9F21101?
The C60SP series accepts a variety of Multi9 electrical auxiliaries. You can field-install shunt trips (MX), undervoltage releases (MN), and auxiliary or fault contact switches (OF/SD) directly to the left side of the breaker for remote control and status monitoring.
What is the purpose of the green strip on the breaker toggle?
The green strip provides positive contact indication. When visible, it physically guarantees that the internal contacts are fully open, ensuring the downstream circuit is safely isolated for maintenance or servicing.
What wire sizes do the terminals on the M9F21101 accept?
The screw clamp tunnel terminals on this breaker are designed to accept copper wiring ranging from 18 AWG to 4 AWG, providing flexibility for various control wiring applications.
What is the operating temperature range for the M9F21101?
The M9F21101 is rated for an operating temperature range of -30 to 70 degrees Celsius (-22 to 158 degrees Fahrenheit), allowing it to function reliably in demanding industrial control environments.
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