Product Details
Configured for overcurrent protection in control circuit branches, the Allen-Bradley 1489-A1C150 (1489-A1C150 Miniature Circuit Breaker) provides direct physical/electrical execution of single-pole circuit interruption under overload and short-circuit conditions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1489-A1C150 |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.11 kg |
| Dimensions | Not Specified |
| Operating Temp | Not Specified |
| Power Consumption | Not Applicable |
| Current Rating | 15 A |
| Poles | 1 Pole |
| Trip Curve | C-Curve |
Profinet / EtherNet/IP Deterministic Networks
The 1489-A1C150 utilizes a C-curve trip characteristic, designed to balance protection for control hardware with a tolerance for standard inrush current profiles. As an electromechanical protective device, its integration into control architectures relies on proper electrical coordination within the panel board. While it does not support active network diagnostics, the module's I/O density scaling and placement must be evaluated against total branch circuit load to ensure stable operation. Firmware flash compatibility is not applicable, though integration with deterministic networks is achieved by ensuring fault current calculations remain within the specific interrupt ratings of the 1489-A series design.
Frequently Asked Questions
Q: Can the 1489-A1C150 be used for DC circuit protection?
A: Yes. The device is rated for both 277 VAC and 48 VDC. Ensure that the application voltage and fault current characteristics do not exceed the specific ratings provided in the manufacturer's technical documentation for DC operation.
Q: Does this circuit breaker support auxiliary contact attachment?
A: The 1489-A series typically allows for the field installation of auxiliary contact blocks to provide status feedback to a controller. Refer to the specific technical manual to confirm compatibility with current-revision contact attachments.
Field Installation Guidelines
- Mount the circuit breaker onto a standard 35 mm DIN rail; verify that the latch is fully locked to prevent lateral displacement.
- Terminate the line-side power source to the top terminal and the load-side wiring to the bottom terminal, ensuring proper wire gauge for the 15 A rating.
- Apply manufacturer-specified torque to the terminal screws to ensure a low-impedance electrical connection and prevent thermal cycling.
- Route protected circuit wiring away from high-power VFD output cables or large AC motor leads to reduce the risk of induced electromagnetic noise.
- Ensure the surrounding enclosure provides adequate ingress protection and that the breaker is kept clear of conductive particles.
- Verify circuit operation by measuring voltage at the load terminals with the breaker in the "ON" position to confirm functional continuity.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Navigating Industrial Automation Failures: Types, Causes, and Mitigation Strategies
Modern manufacturing relies heavily on automated control systems to maximize throughput and maintain product quality. However, unplanned downtime in industrial automation can cost facility operators thousands of dollars per hour. Understanding how programmable logic controllers (PLCs), distributed control systems (DCS), and field instrumentation fail empowers engineering teams to implement robust preventive maintenance strategies.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.