GE QPJ-SBR-201 Circuit Breaker Module

GE QPJ-SBR-201 Circuit Breaker Module

Product Overview

The GE QPJ-SBR-201 circuit breaker module is a key protective component in General Electric's (GE) industrial control distribution system. As the "guardian" of circuit safety, it is mainly used for overcurrent and short-circuit protection of industrial automation equipment, control systems, and distribution circuits, and also has manual opening and closing control functions. This module adopts modular design and is compatible with various industrial control cabinets and distribution systems of GE. It has the characteristics of precise action, rapid response, and strong durability. It can quickly cut off the power supply in case of circuit failure, avoiding equipment damage or accident expansion. It is widely used in power distribution and control circuits in industrial fields such as manufacturing production lines, energy distribution, and transportation facilities.

Core Features

1. Accurate and reliable protection performance

Adopting a dual mechanism of electromagnetic trip mechanism and thermal overload protection, it can accurately identify short-circuit current and overload current in the circuit. When a short circuit fault occurs in the circuit, the electromagnetic trip mechanism can quickly operate within milliseconds to cut off the faulty circuit; When the circuit is in an overloaded state for a long time, the thermal overload protection component will slowly operate according to the current thermal effect, achieving delayed protection and avoiding accidental triggering of protection by instantaneous surge current. The dual protection mechanism ensures accurate judgment and reliable response to circuit faults, providing comprehensive security for backend devices.

2. Modular design, easy installation

Adopting a standard industrial modular structure, the size is compatible with GE standard distribution cabinets and DIN rail installation specifications, and can seamlessly integrate with various GE power modules and control modules. Module installation does not require complex fixed structures and can be quickly assembled through guide rails. The wiring terminals adopt a plug-in design with clear identification, greatly simplifying the installation and wiring process and reducing on-site construction time and labor costs.

3. Excellent mechanical and electrical performance

The shell is made of high-strength flame-retardant engineering plastic, which has good insulation performance and impact resistance, and can effectively resist dust, moisture, and chemical corrosion in industrial sites, adapting to harsh working environments. The internal conductive components are made of high-purity copper material, which has excellent conductivity, low contact resistance, and can withstand rated current for a long time without generating excessive heat; The switch contacts have undergone special processing to have high wear resistance and arc extinguishing ability, extending the service life and operational reliability of the module.

4. Intuitive status indication and convenient operation

Equipped with a clear mechanical status indicator window, the working status of the module is visually displayed through color identification (such as green indicating closed and red indicating open), allowing staff to quickly determine the circuit status without the need for instruments. The front of the module is equipped with a manual opening and closing operation handle, which has a clear operating feel and clear opening and closing positions, making it easy to manually control during on-site debugging and fault handling. At the same time, it supports remote control signal access (some models) to achieve remote opening and closing operations in automation scenarios.

5. Wide adaptability and scalability

Not only does it adapt to GE's own PACSystems series control systems and industrial distribution equipment, but it can also be compatible with mainstream industrial control and distribution systems on the market, and can be used as independent protection components or system integration components. The module supports flexible selection of different rated current specifications (according to specific models), which can meet different circuit protection requirements from a few amps to tens of amps, and provide customized protection solutions for various industrial circuits.

Key technical parameters

Product Model

GE QPJ-SBR-201

protection type

Short circuit protection, overload protection

rated voltage

AC 230V/400V (three-phase/single-phase compatible)

rated current

10A (typical value, subject to actual labeling)

Short circuit breaking capacity

≥ 10kA (under rated voltage)

Release characteristics

C-type trip (conventional industrial load, 5-10 times rated current trip)

polar number

1P+N (single-phase with neutral line protection)

Operation method

Manual opening and closing+remote control (optional)

status indicator

Mechanical window indication (closing: green; opening: red)

Working temperature range

-25℃ ~ 70℃

Storage temperature range

-40℃ ~ 85℃

relative humidity

5%~95% (no condensation)

Protection level

IP20 (when installed inside the cabinet)

Installation method

Standard 35mm DIN rail installation

Mechanical dimensions (length x width x height)

Approximately 18mm × 90mm × 75mm (subject to actual product)

Applicable scenarios

The GE QPJ-SBR-201 circuit breaker module plays an important role in various industrial distribution and control scenarios due to its precise protection performance, convenient installation method, and wide adaptability. Typical applications include:

-Industrial automation production line power distribution: used for branch circuit protection inside the production line control cabinet, such as providing overcurrent and short-circuit protection for the power supply circuit of PLC controllers, I/O modules, sensors and other equipment, to avoid single equipment failure causing power outages throughout the production line.

-Energy and Power Distribution System: Suitable for small and medium-sized substations, photovoltaic inverter distribution cabinets, wind power control cabinets, and other scenarios. As a protective component for branch circuits, it protects power electronic equipment from current faults and ensures stable operation of the energy system.

-Intelligent buildings and infrastructure: used for building automation control systems, central air conditioning distribution circuits, security monitoring equipment power supply, etc., providing precise protection for various electrical equipment while facilitating maintenance and management of building power distribution.

-Transportation and logistics equipment, such as rail transit platform equipment, port crane power distribution systems, logistics warehousing automation equipment, etc., adapt to the working needs of mobile or vibration environments, provide reliable protection for equipment circuits, and ensure the continuous operation of transportation and logistics systems.

-Medical and laboratory equipment: used for power supply circuits of medical diagnostic equipment and laboratory precision instruments. The C-type trip characteristic avoids the accidental triggering of surge current protection when the equipment is started, and quickly cuts off the power supply in case of circuit failure, protecting the safety of equipment and operators.

Instructions for use

When selecting, the module specifications should be determined based on the actual rated current, operating voltage, and load type (such as inductive load, resistive load) of the load, ensuring that the rated current is greater than the normal operating current of the load, the tripping characteristics match the load starting characteristics, and avoid protection failure or misoperation.

2. Before installation, the superior power supply must be cut off, and live installation and wiring are strictly prohibited; During installation, ensure that the guide rails are firmly fixed and the modules are properly clamped to avoid looseness that may cause poor contact or mechanical failure; When wiring, it is necessary to distinguish between phase wires and neutral wires, ensure that the wiring terminals are securely fastened, and avoid false connections and overheating.

After the module is opened, the cause of the circuit fault (such as short circuit point, overload device) needs to be investigated first. After the fault is eliminated, the power supply can be restored by manually closing the circuit. It is not allowed to repeatedly close the circuit without troubleshooting to avoid expanding the fault range.

4. During use, the appearance of the module should be regularly checked for completeness, the status indication should be clear, and the wiring terminals should be checked for heating and oxidation; Regularly perform manual opening and closing operations to verify the flexibility and reliability of the mechanism's actions, ensuring that the module is in a normal protective state.

5. The module should be installed in an environment with good ventilation, no direct sunlight, no corrosive gases or dust, avoiding installation near high-temperature heat sources or locations prone to water accumulation. The working environment temperature and humidity should meet the parameter requirements to ensure stable protection performance.

6. Modules are precision protection components. If there are frequent malfunctions such as misoperation, inability to close, or appearance damage, GE authorized service providers should be contacted for testing and replacement. It is strictly prohibited to disassemble and adjust the internal mechanism on your own to avoid damaging the protection accuracy or causing safety risks.