The Bulletin 1489-M Circuit Breaker
The Bulletin 1489-M circuit breaker from Rockwell Automation is a miniature circuit breaker designed for power distribution and protection in industrial applications. It is rated in RMS amperes at a 40°C (104°F) ambient temperature, per UL 489/CSA C22.2 No. 5. The breaker is available in various configurations, including the 1489-M1C050, which is a 1-pole, 5A, C Curve, 277 Vac Max miniature circuit breaker.
Technical Specifications
- Rated Current at 30°C: 5A
- Poles: 1
- Rated Frequency: Not specified
- Nominal Operational Voltage, AC: 277 Vac Max
Alarm/Error Codes
The documentation provided does not specify alarm or error codes for the Bulletin 1489-M circuit breaker. For detailed information on error codes, refer to the user manual or technical specifications of the specific product configuration, such as the 1489-M1C050.
User Manuals
The user manual for the Bulletin 1489-M circuit breaker is available from Rockwell Automation. The manual provides detailed information on the product's features, installation, and operation.
Troubleshooting
Troubleshooting procedures for the Bulletin 1489-M circuit breaker are outlined in the user manual. The manual includes troubleshooting tables and charts to help diagnose and resolve common issues.
Programming
The Bulletin 1489-M circuit breaker is a mechanical device and does not require programming. It operates based on its electrical characteristics and settings, such as the trip curve and rated current.
Installation
The Bulletin 1489-M circuit breaker is designed for installation on a DIN rail (EN 60715, 35mm) with a fast clip. The recommended mounting position is any, and the breaker can be installed with a screwdriver No. 2 Pozidrive. The approximate dimensions of the breaker are 111 x 69 x 17.5 mm (4.37 x 2.72 x 0.69 inches), and its weight is 125 g (4.4 oz).
Environmental Conditions
The Bulletin 1489-M circuit breaker is designed to operate in various environmental conditions, including:
- Ambient Temperature: -25°C to 55°C (-13°F to 131°F)
- Storage Temperature: -40°C to 70°C (-40°F to 158°F)
- Vibration Resistance: 5g - 20 cycles at 5…150…5 Hz with load 0.8
- Shock Resistance: 25 g - 2 shocks - 13 ms
- Damp Heat: 28 cycles with 55°C/90-96% and 25°C/95-100% RH
Key Features
- Mechanical Endurance: 20,000 operations
- Self-Declared IEC DC Ratings
- Protection Degree: IP20, IP40 in enclosure with cover
- Indicator Window: Red ON, green OFF
- Cross-Section of Conductors: Solid, stranded, and flexible
- Tightening Torque: N•m 2.8 N•m in•lb
- Mounting: DIN rail (EN 60715, 35mm) with fast clip
- Combination with Auxiliary Elements: Yes, including auxiliary contact, signal contact, and shunt trip.