Description
The PCB Terminal Block is a screw-type connector designed for reliable wire-to-PCB interfacing in power distribution, control boards, prototyping, and automation systems. It enables easy insertion and removal of wires without soldering, making it ideal for circuits that require frequent modifications.
Available in multiple pitch sizes such as 3.5mm, 5.08mm, and 7.62mm, these terminal blocks support a wide range of wire gauges and can carry significant current depending on size. The strong clamp mechanism and high-temperature plastic housing ensure durability and long-term stability in both hobbyist and industrial electronics.
Key Features
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Strong screw-clamp wire connection
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Secure and removable wiring (no soldering required)
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Available in multiple pitch sizes
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High-temperature, flame-retardant housing
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Suitable for power input, sensors, signal lines, and control wiring
Variants
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2-Pin Terminal Block
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3-Pin Terminal Block
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4-Pin Terminal Block
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Pitch options: 3.5mm / 5.08mm / 7.62mm
Specifications
| Feature | Details |
|---|---|
| Pins | 2, 3, 4 (varies) |
| Pitch Size | 3.5mm / 5.08mm / 7.62mm |
| Rated Voltage | 250V AC |
| Rated Current | 10A – 16A (depending on pitch) |
| Wire Gauge | 18–26 AWG |
| Mounting Type | Through-hole |
| Material | Flame-retardant PA66 |
| Screw Type | M2 or M3 (depending on variant) |
Applications
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Power input connectors on PCBs
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Sensor and module interface wiring
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Industrial automation and control boards
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DIY electronics and prototyping
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Power supplies and driver boards
Compatible With
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Arduino / ESP32 project PCBs
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Power supply boards
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Motor drivers (L298N, TB6600)
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Custom PCB designs
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IoT and automation systems




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