The CX10/3BU is a 10 sq.mm multi-connection spring clamp terminal block in blue colour, specially designed for industrial electrical systems where one conductor needs to be securely connected and distributed to multiple outgoing circuits in a compact and organized terminal structure. This terminal block is widely used in PLC control panels, automation systems, industrial switchgear assemblies, machine electrical wiring, instrumentation panels, and structured power distribution systems where multiple electrical paths need a common conductor connection.
In industrial electrical panels, many circuits often require a shared neutral line, common signal reference, grouped conductor routing, or multi-point electrical distribution. Using loop wires or manual jumper wiring can make electrical panels messy, increase conductor congestion, and create maintenance difficulties. The CX10/3BU is specially designed to solve these problems by providing three connection points in one terminal block body, allowing one conductor to distribute electrical continuity across multiple connected circuits safely and efficiently.
One of the key advantages of the CX10/3BU is its multi-connection terminal architecture. Instead of using separate jumper accessories or manual wire loops, the terminal block itself provides three independent conductor connection points that are internally connected through a common conductive path.
This creates:
✔ Faster installation
✔ Better panel organization
✔ Reduced wiring clutter
✔ Cleaner electrical layout
✔ Easier maintenance access
This type of terminal block is highly useful in applications where one electrical source needs to branch into multiple outgoing connections inside compact industrial control panels.
The blue colour (BU variant) is especially useful in industrial electrical systems where neutral circuit identification, DC negative wiring, common signal return circuits, and color-coded electrical grouping are required. Colour-coded terminal blocks improve electrical panel visibility and help technicians identify circuit groups quickly during installation, maintenance, and troubleshooting.
Another major feature of the CX10/3BU is its spring clamp conductor connection technology. Unlike conventional screw-type terminals, this model uses a spring clamp wire holding mechanism, which provides secure conductor retention using constant spring pressure.
This improves:
✔ Fast conductor insertion
✔ Strong wire holding force
✔ Low contact resistance
✔ Vibration-resistant electrical continuity
✔ Long-term wiring stability
This makes the CX10/3BU ideal for industrial systems where machines operate under:
Its 10 sq.mm conductor capacity allows the terminal block to handle both control and power wiring applications where higher current carrying capacity and structured conductor distribution are required.
This makes the terminal suitable for:
The multi-point feed-through design helps create structured conductor branching inside electrical cabinets. Instead of using multiple jumper wires, one conductor can enter and multiple outgoing conductors can be connected through the terminal’s integrated internal conductive path.
This improves:
✔ Better conductor routing
✔ Organized terminal wiring
✔ Reduced manual jumper work
✔ Professional panel finishing
✔ Faster servicing convenience
Its side wire entry design improves cable routing and reduces conductor bending stress during installation.
The DIN rail mounting design makes the terminal block easy to install inside modular industrial electrical panels. It can be arranged in structured terminal assemblies to create clean and organized conductor distribution systems.
The body is manufactured using industrial-grade flame retardant polyamide insulation material, which provides:
✔ High insulation strength
✔ Heat resistance
✔ Mechanical durability
✔ Corrosion resistance
✔ Safe electrical protection
This insulated construction improves operator safety and reduces accidental electrical contact risks.
The high conductivity metal alloy conductive path inside the terminal ensures stable electrical continuity and low resistance current transfer across all connected points.
Because of its three-point connection design, spring clamp technology, blue circuit identification, compact DIN rail construction, and industrial-grade reliability, the CX10/3BU is widely used by industrial electricians, automation engineers, control panel builders, and machine manufacturers who require structured multi-point conductor connection in professional electrical systems.
Its combination of high conductor capacity, organized wiring structure, secure electrical continuity, and maintenance-friendly design makes the CX10/3BU a dependable terminal block solution for modern industrial electrical installations.
| Specification | Details |
|---|---|
| Product Model | CX10/3BU |
| Product Type | Multi-Connection Spring Clamp Terminal Block |
| Terminal Size | 10 sq.mm |
| Colour | Blue |
| Pole Capacity | 3 Connection Points |
| Terminal Function | Feed Through Connection |
| Connection Type | Spring Clamp |
| Installation Method | DIN Rail Fitment |
| Connection Style | Multi-Point Feed Through |
| Mounting Compatibility | DIN 35 / DIN 35-15 Rail |
| Conductive Material | High Conductivity Metal Alloy |
| Insulation Material | Flame Retardant Polyamide |
| Rated Voltage | 1000 V |
| Rated Current | 57 A |
| Wire Size Range | 0.2 – 10 mm² |
| AWG Range | 24 – 6 AWG |
| Wire Entry Orientation | Side Entry |
| Stripping Length | 18 mm |
| Width | 10 mm |
| Length | 97 mm |
| Height with DIN 35x7.5 Rail | 49.5 mm |
| Height with DIN 35x15 Rail | 57 mm |
| Rated Surge Voltage | 8 KV |
| Pollution Degree | 3 |
| Electrical Path | Low Resistance Conductive Path |
| Contact Resistance | Low |
| Electrical Stability | High |
| Mechanical Strength | High |
| Structural Stability | Excellent |
| Thermal Resistance | Industrial Grade |
| Heat Resistance | Yes |
| Corrosion Resistance | Yes |
| Vibration Stability | Yes |
| Mechanical Fitment | Secure Spring Clamp Lock |
| Maintenance Support | Easy Wire Access |
| Panel Layout Benefit | Organized Wiring Structure |
| Service Life | Long Industrial Use |
| Main Usage | Multi-Circuit Wire Distribution |
| Industrial Application | PLC & Power Wiring |
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► Three Connection Points
Allows one conductor to distribute into multiple circuits.
► Fast Spring Clamp Wiring
Reduces installation time and improves conductor grip.
► Blue Circuit Identification
Useful for neutral and identified control circuits.
► Stable Electrical Continuity
Provides low resistance current transfer.
► Durable Industrial Construction
Built for long-term industrial operation.
► Easy Maintenance Access
Simplifies panel servicing and troubleshooting.
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✔ PLC Panels
✔ Relay Logic Systems
✔ Instrumentation Panels
✔ Electrical Control Cabinets
✔ Automation Systems
✔ Neutral Distribution Circuits
✔ Machine Control Wiring
✔ Signal Routing Systems
✔ Switchgear Assemblies
✔ Industrial Terminal Block Assemblies
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