Description
The Allen-Bradley 1489-M2C250 is a UL 489 certified 2-pole miniature circuit breaker rated at 25 A, engineered for branch-circuit protection in industrial and commercial power systems. Its C-curve thermal-magnetic trip characteristic provides dependable protection for circuits with moderate inrush currents, ensuring stable performance across AC and DC applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Allen-Bradley (Rockwell Automation) |
| Category |
Circuit Protection |
| Part Number |
1489-M2C250 |
| Subcategory |
Miniature Circuit Breakers |
| Series |
1489 |
| Breaker Type |
Thermal-Magnetic, Current-Limiting |
| Trip Curve |
C-Curve |
| Rated Current |
25 A @ 30°C |
| Number of Poles |
2 |
| Rated Voltage (UL/CSA) |
480Y/277 VAC, 96 VDC |
| Rated Voltage (IEC/EN) |
400 VAC |
| Interrupt Rating |
15 kAIC @ 400/415 VAC |
| Rated Service Short-Circuit Capacity (Ics) |
75% of Icu |
| Rated Frequency |
50 / 60 Hz |
| Impulse Withstand Voltage |
4 kV |
| Dielectric Strength |
2 kV for 1 minute |
| Electrical Life |
20,000 operations |
| Mechanical Life |
20,000 operations |
| IP Rating (Housing / Terminals) |
IP40 / IP20 |
| Flammability Rating |
UL94 V-2 |
| Conductor Size |
Up to 35 mm² (rigid), up to 25 mm² (flex) top & bottom |
| Tightening Torque |
2.8 Nm top & bottom |
| Mounting Style |
DIN-35 rail |
| Add-On Devices |
Auxiliary contacts, shunt trip |
| Padlockable |
Yes (with accessory) |
| Type |
Branch Circuit Protector |
| Weight |
Approx. 0.3–0.5 lb |
Information About 1489-M2C250
The 1489-M2C250 is part of the Allen-Bradley 1489 Series, a family of current-limiting miniature breakers designed for equipment and branch-circuit protection. This model supports operation up to 480Y/277 VAC, 400 VAC IEC, and 96 VDC, making it suitable for global installations requiring multi-standard compliance. Its thermal-magnetic mechanism delivers precise overload and short-circuit response, while the DIN-rail mounting system ensures quick integration into control panels and distribution assemblies. With compatibility for auxiliary contacts, shunt trip modules, and locking accessories, it provides a flexible protection solution for machinery, OEM equipment, and industrial distribution systems.
Key Features:
- 25 A Thermal-Magnetic Protection: C-curve trip characteristic suited for general industrial loads with moderate inrush.
- High Interrupt Rating: 15 kAIC short-circuit rating for demanding branch-circuit protection.
- Wide Voltage Capability: Supports 480Y/277 VAC, 400 VAC IEC, and 96 VDC operation.
- DIN-Rail Mounting: Standard 35 mm rail mounting simplifies panel installation and replacement.
- Auxiliary & Shunt Trip Ready: Accepts add-on modules for remote indication and remote trip functions.
- Current-Limiting Design: Reduces let-through energy to protect downstream devices and conductors.
- Robust Service Life: 20,000 electrical and 20,000 mechanical cycles for long-term reliability.
- Industrial Protection Ratings: IP40 on the enclosure interior and IP20 on the terminals enhance user safety.
The 1489-M2C250 delivers the reliability and precision required for modern industrial branch-circuit protection and equipment safeguarding.