Description
Allen-Bradley 1489-M2C200 2-Pole 20A Type C Miniature Circuit Breaker
Product Dimensions:
The Allen-Bradley 1489-M2C200 is a high-performance Miniature Circuit Breaker (MCB) from the Bulletin 1489-M series. It is specifically designed for branch circuit protection and is UL 489 listed, making it suitable for demanding industrial and commercial power distribution applications.
Product Detailed Description
The 1489-M2C200 is a 2-Pole circuit breaker with a 20A rated current. It features a C-curve magnetic trip characteristic, which is designed for circuits with moderate inductive loads or high inrush currents. As a “Finger-Safe” device, it provides enhanced protection for personnel during installation and maintenance.
Technical Parameters
| Parameter | Specification |
| Product Series | Bulletin 1489-M |
| Poles | 2-Pole |
| Rated Current (I_n) | 20 A |
| Trip Curve | C Curve (Trip: 5 \dots 10 \times I_n) |
| Rated Voltage | 480Y/277V AC |
| Interrupting Capacity | 10 kA (UL/CSA); 15 kA (IEC) |
| Mounting | DIN Rail |
| Mechanical Life | 20,000 operations |
| Terminal Connection | Dual terminals (accepts bus bar and wire) |
| Wire Size | 18…4 AWG (1.0…25 mm^2) |
Product Advantages
- UL 489 Listed: Unlike standard supplementary protectors, this is a full branch circuit breaker, meaning it can be used as the primary protection for equipment and circuits.
- Dual Terminals: Features “box” type terminals that allow for the simultaneous connection of wires and bus bars, simplifying the wiring of multiple breakers.
- Current Limiting: High-speed clearing of faults reduces the “let-through” energy, protecting downstream components from thermal and mechanical stress.
- Visual Status Indication: Clear red/green indicators on the face of the module show the actual contact position for improved safety.
- Global Compliance: Meets UL, CSA, and CE standards, allowing for use in machines destined for international markets.
Important Considerations (Precautions)
- Trip Curve Selection: The C Curve is ideal for general-purpose loads. If you are protecting highly sensitive electronics, a B Curve might be better; for high-startup motors, a D Curve might be required.
- Voltage Rating: Ensure the system voltage does not exceed 480Y/277V AC. For DC applications, verify the specific DC voltage rating of the 1489 series.
- Torque Requirements: Proper terminal torque (approx. 2.8 N·m or 25 lb·in) is critical to prevent loose connections, which can lead to overheating.
- Environmental Limits: The operating temperature range is -25°C to +55°C. For temperatures outside this range, the breaker may need to be de-rated.
Product Applications
- Industrial Control Panels: Protecting PLC I/O, power supplies, and control transformers.
- Motor Branch Circuits: Providing short-circuit and overload protection for small motors and heaters.
- HVAC Systems: Used in commercial heating and cooling control loops.
- Power Distribution: Serving as the main or branch breaker in small distribution boards and equipment racks.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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