Description
ABB UFC760BE42 3BHE004573R0042
1. Product Description
ABB UFC760BE42 3BHE004573R0042 is an industrial‑grade non‑fused disconnect switch, specially designed for circuit control and protection applications. Featuring high reliability, high safety, and easy installation, it serves as a core component for circuit switching control and fault protection in industrial control, building control, and various electrical systems. It is also a key original spare part for upgrading old non‑fused switches and retrofitting electrical circuit protection.
The switch is manufactured with high‑quality materials and sophisticated technology, featuring a compact structure, small size, and light weight. It adopts manual operation and front‑panel mounting, enabling quick manual on/off control of circuits. With excellent breaking capacity and circuit protection functions, it can effectively cut off fault currents to protect circuits and associated equipment from damage. Compliant with relevant international and domestic electrical standards, it is suitable for a wide range of industrial and commercial electrical scenarios. Backed by ABB’s strict industrial‑grade quality, it operates stably in various environments to ensure safe and reliable performance of electrical systems.
2. Specifications
| Parameter Category | Details |
|---|---|
| Model | UFC760BE42 3BHE004573R0042 |
| Manufacturer | ABB (Switzerland, globally manufactured, partially locally assembled) |
| Product Type | Industrial‑grade non‑fused disconnect switch, part of ABB UFC760 series electrical protection components, used for circuit control and protection, suitable for industrial, building and commercial electrical systems |
| Core Purpose | 1) Circuit control: manual switching of circuits for on/off management of various electrical loops;2) Circuit protection: excellent breaking capacity to quickly disconnect fault currents and protect circuits and associated equipment;3) System upgrade: direct replacement of old non‑fused switches, compatible with existing circuits, reducing retrofit difficulty and cost |
| Electrical Parameters | Rated voltage: 400 V AC;Rated current: 60 A;Rated power: 27 kW;Poles: 3P;Breaking capacity: 10 kA;Compliant with IEC 60947‑3, GB 14048.3, reliable circuit protection performance |
| Control Performance | Operation mode: manual operation with front‑panel operating handle for fast circuit switching;Fast breaking response, effectively disconnects fault currents to prevent equipment damage from overload, short circuit, etc. |
| I/O & Communication | Terminal block connection, suitable for various electrical cables, easy wiring;No complex communication configuration required; focuses on core circuit control and protection functions, can be directly integrated into various electrical circuits |
| Physical Dimensions | Compact structure, small size;Weight: approx. 0.8 kg;Mounting: front‑panel mounting, fits standard installation space, no extra modification needed, easy installation |
| Protection Degree | IP20, suitable for front‑panel mounting, basic dust protection;Compliant with IEC 60529, stable operation in normal industrial and commercial environments |
| Environmental Rating | Operating temperature: -25°C ~ +60°C;Storage temperature: -40°C ~ +85°C;Relative humidity: 5% ~ 95% (non‑condensing);Vibration: IEC 60068‑2‑6; Shock: IEC 60068‑2‑27; suitable for various environments |
| Other Features | High‑quality materials and sophisticated workmanship, compact and lightweight;Easy operation, fast manual switching response;High reliability and safety, effective circuit and equipment protection;CE and RoHS compliant;Detailed installation and operation manual for fast deployment and maintenance |
3. Functions & Features
(1) Wide Scenario Adaptation & Seamless System Compatibility
- Wide application coverage: designed for circuit control and protection, flexibly suitable for industrial control, building control, household appliances and other scenarios, covering on/off management and fault protection for various electrical circuits, with strong versatility.
- Broad system compatibility: no complex communication configuration, can be directly integrated into various existing electrical systems and circuits. Standardized terminal wiring requires no circuit modification, and allows direct replacement of old non‑fused switches, greatly reducing upgrade and retrofit costs.
Easy installation and deployment: front‑panel mounting, compact and lightweight (only approx. 0.8 kg), simple installation and removal, single‑person operation, no extra space modification, shortening downtime for maintenance and retrofit.
(2) Reliable Circuit Control & Fault Protection
- Convenient manual control: dedicated front‑panel operating handle, simple and intuitive manual operation, fast circuit switching, fast response, meeting on/off management requirements of various electrical circuits.
Excellent breaking performance: breaking capacity up to 10 kA, quickly disconnects fault currents during overload, short circuit and other faults, effectively protecting circuits and associated electrical equipment from damage, reducing failure losses and ensuring electrical system safety.
(3) High Reliability & Durability
- High‑quality materials: constructed with premium materials and sophisticated craftsmanship, plastic housing, internal metal contacts, robust structure, wear‑resistant and corrosion‑resistant, long‑term stable operation, reducing failure frequency.
- Reasonable protection design: IP20 rating provides basic dust protection, effectively prevents dust intrusion, ensures normal operation of internal components, suitable for normal industrial and commercial environments.
High stability quality: built to ABB industrial standards, selected components, strict production process, long‑term stable operation in -25°C ~ +60°C, high humidity and high vibration environments, long service life, low maintenance cost.
(4) Convenient Operation & Maintenance
- Intuitive operation and status identification: simple operating handle design, comfortable operation, clear switch status indication, easy for on‑site operation and inspection, reducing misoperation risk.
- Easy wiring and maintenance: rear‑panel standardized terminal blocks for convenient and secure wiring, fast disconnection and reconnection during maintenance, reducing workload. Standardized structure allows fast replacement in case of failure, shortening downtime.
- Standardized maintenance guidance: detailed installation, operation and maintenance manual with clear specifications and precautions, easy for on‑site personnel to master. Supports routine inspection and maintenance to ensure long‑term stable operation.
4. Applications
- Industrial control: circuit control and protection for factory automation systems, including on/off management for production lines, motors, instruments and other equipment, avoiding production interruption due to circuit faults and ensuring production safety.
- Building control: electrical system control for office buildings, shopping malls, residences and other buildings, including switching and protection for lighting, air conditioning, water pumps and other equipment, ensuring safe and stable operation of building electrical systems.
- Commercial & residential use: circuit protection for household and commercial equipment, suitable for small electrical circuits requiring manual control and fault protection, preventing equipment damage from overload and short circuit.
- Legacy system retrofit: upgrade and replacement of old non‑fused switches in various electrical systems, compatible with existing circuits, no full circuit reconstruction needed, improving protection performance and reducing investment and risk.
5. FAQs & Troubleshooting
1. How to troubleshoot if the switch cannot be operated normally?
First check if the operating handle is stuck; gently shake the handle to remove any foreign obstacles.Next check for circuit overload or short circuit, verify associated equipment, and resolve faults before operation.Finally inspect internal contacts for oxidation or damage. Replace the switch and contact ABB authorized service for repair if contacts are defective.
2. How to resolve failure to reset after tripping?
First confirm all circuit faults (overload, short circuit, etc.) have been fully resolved to prevent resetting under fault conditions.Next check if the handle is in the correct OFF position; gently press and attempt to reset.If still unable to reset, the internal mechanical mechanism may be jammed or damaged. Stop operation, replace with a spare switch, and contact ABB service for diagnosis.
3. How to ensure long‑term stable operation and extend service life?
Install strictly according to the manual, ensure firm panel mounting and tight terminal connections to avoid poor contact.Regularly inspect handle flexibility, clean dust on and around the switch, keep the environment dry to prevent internal component damage from moisture and dust.Avoid long‑term overload; operate within rated voltage and current limits.Periodically check contact condition; replace promptly if oxidized or damaged. Regularly verify performance against standards to ensure compliance.
