Steel Cage Screw Terminal Block
Products Description
The Steel Cage Screw Terminal Block is designed for high-vibration, high-current, and wide-temperature-variation environments, suitable for primary circuit electrical connections in equipment such as photovoltaic inverters, energy storage systems, electric vehicle charging equipment, and industrial frequency converters. Its core structure utilizes a steel cage-type clamping frame and a pre-assembled screw system to ensure stable contact pressure under long-term thermal cycling and mechanical vibration conditions.
This series of terminal blocks supports the Clamp Type Terminal Blocks design concept, upgrading the electrical connection of conductors from direct screw clamping to uniform clamping by the steel cage, significantly reducing the risk of contact loosening caused by conductor creep and cold flow.
Key Selling Points
Material-Level Reliability Design
Utilizing a high-carbon steel cage and galvanized screws, the Circuit Breaker Screw Clamp Terminal boasts excellent corrosion and creep resistance, making it suitable for wide temperature ranges and high-vibration environments.
Ensuring Process Consistency
The entire process-cold heading, stamping, and electroplating-is independently controlled. Combined with automated testing equipment, this ensures zero performance deviation in batches of Contactor Screw Wire Clamp Terminal products.
Extreme Environment Stability
The Fuse Holder Screw Clamp Terminal undergoes high and low temperature cycling, salt spray, and mechanical vibration testing, enabling long-term stable operation in complex scenarios such as new energy power plants and industrial control systems.
Controllable Supply Chain
With its own stamping, welding, and electroplating workshops, core processes are not outsourced, avoiding supply chain disruption risks and ensuring stable and controllable delivery times.
Product Structure Breakdown
Steel Cage Body
The Electrical Connection Cage Clamp with Screw is made of stamped steel, providing uniform clamping force for the conductors and serving as a crucial carrier for current transmission.
Product Structure Breakdown
Fastening Screws: The screws on the Terminal Block Hand Screw generate axial pressure through rotation, driving the steel cage to deform and clamp the wires, simultaneously achieving electrical connection.
Electroplated Protective Layer
The galvanized layer on the cage and screw surfaces provides corrosion protection, extending the product's lifespan in harsh environments.
Adapter Interface
Standardized size design allows direct integration into devices such as fuse holders and screw clamps as a Fuse Holder Screw Clamp Terminal without additional processing.
Industry Application Cases
PV Inverter DC Side Busbar
High current + high outdoor temperature; the Screw Clamp Terminal Block's thermal cycling resistance has been field-proven.
Energy Storage BMS Battery Pack Connection
High vibration (vehicle operation) + wide temperature range; Clamp Style Terminal Strips' double-locking structure ensures zero wire slippage.
Electric Vehicle Charging Pile Power Circuit
High-frequency switching + high current; Clamp-Type Screw Terminal for Circuit Components' contact resistance stability meets long-term operation requirements.
Industrial Frequency Converter Power Circuit
Electromagnetic interference environment; all-metal conductive path + insulation isolation ensures signal integrity.
contact us
If you are developing a high-reliability wire connection solution for circuit breakers, contactors, fuses, energy storage systems, or industrial control equipment, please provide drawings, technical specifications, or application scenario requirements. Our engineering team can provide manufacturability assessments, cost optimization suggestions, and mass production solutions based on the Steel Cage Screw Terminal Block structure.
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