Products Description
01
Product Overview
In modern electrical and electronic assemblies, the cage terminal acts as a critical interface that bridges wiring and protection devices. It secures conductors firmly while maintaining a stable current path. Beyond simple current transfer, these components bring order to panel wiring, simplify routine maintenance, and contribute to overall system safety inside junction boxes, switchboards, and equipment enclosures.
02
Material Selection & Mould Capability
Standard material: Steel sheet
Alternate material: Brass sheet (available when the application demands it)
We maintain an extensive mould library with hundreds of ready-to-use cage terminal moulds, covering a broad range of footprints and wire capacities. If your design calls for a non-standard shape, we produce customized terminals directly from your drawings-no excessive tooling lead time required.
03
Manufacturing Process
Every cage terminal follows a controlled sequence to achieve consistent precision and a clean finish:
1.Material Cutting 2.Punching 3.Chamfering 4.Tapping 5.Deburring 6.Pickling
This multi-step process ensures thread accuracy, smooth edges, and a surface ready for assembly.
Why Cage Terminals Replaced Bulky Brass Parts
Cage terminals were developed specifically to offer a smaller, lighter, and more economical alternative to the oversized and expensive brass terminals once common in switchgear. The design brings several distinct benefits:
Compact footprint – saves space on densely populated panels.
Lower cost – material-efficient construction reduces unit price.
Simple assembly – straightforward insertion and screw-tightening.
Easy fixing – the cage structure locks the conductor securely.
These advantages have made cage terminals the go-to choice across a wide range of electrical devices, from miniature circuit breakers to industrial control cabinets.
Understanding Terminal Types
While the cage terminal uses a screw to clamp two or more wires into a strong, permanent-grade connection, the industry offers other styles for different wiring priorities:
Push-in terminals – spring tension grips the wire instantly without a tool.
Wire-plug terminals – conductors plug directly into a clamping gate.
Pluggable terminal blocks – allow quick module-level disconnect.
Modular terminal blocks – stackable units that simplify panel building.
Each type serves a distinct purpose: some prioritize maximum holding force with a tool, others emphasize speed or tool-free operation. Cage terminals sit firmly in the high-retention, screw-secured category, making them ideal for circuit breaker wiring that must not loosen over time.
Broader Connector Landscape
For completeness, other common connection technologies complement terminal blocks in electrical systems:
built for frequent mate/unmate cycles, such as earphone jacks and portable device interfaces.
create a gas-tight, permanent mechanical bond; widely specified in automotive and aerospace applications.
pierce the wire insulation during assembly for rapid mass termination.
Critical Installation Precaution
Even when conductors are prepared by crimping, avoid heavily tinning the stripped wire end with solder before placing it into a screw-type cage terminal. Solder is a soft metal that flows cold under sustained pressure. Over time, this cold flow relaxes the clamping force, leading to a loose joint and a serious fire hazard. The terminal is designed to clamp bare copper or a correctly crimped ferrule-additional solder undermines its long-term reliability.
Customization & Inquiry
With hundreds of existing moulds and the ability to manufacture from customer drawings, we can meet both standard and bespoke cage terminal requirements. To discuss a part number, sample, or a tailored design, please reach out with your specifications or a dimensional sketch.
Circuit Breaker Use Cage Terminal - engineered to replace heavy brass terminals with a space-saving, cost-effective, and secure wiring solution.
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