XY129 Series 3-Pin PCB Screw Terminal Block – 7.5mm Pitch PCB Mount Connector

Description

The XY129 Series 3-Pin Screw Terminal Block – 7.5mm Pitch PCB Mount Connector is a heavy-duty, highly reliable component designed for establishing secure wire-to-board connections on printed circuit boards. Featuring a wider 7.5mm pitch spacing, this terminal block provides excellent electrical isolation and clearance, making it highly suitable for higher voltage and higher current applications compared to standard 5.0mm or 5.08mm blocks.

This PCB mount connector features strong metal screw terminals that firmly clamp down on stripped wires, preventing accidental disconnections due to vibration or thermal expansion. The modular interlocking housing design allows multiple blocks to be slide-locked together seamlessly, letting you create custom lengths for larger power distribution boards, motor drivers, and industrial control panels.

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Specifications

• Series: XY129
• Pin Count: 3-Pin
• Connector Type: PCB Screw Terminal Block
• Pitch Spacing: 7.5 mm
• Color: Green
• Mounting Type: PCB Through-hole Soldering
• Voltage Rating: 300V (Typical)
• Current Rating: 20A (Typical)
• Supported Wire Gauge: 26 AWG to 12 AWG
• Housing Material: Flame-retardant Plastic (PA66 / PVC)

Applications

• Industrial Control Boards: Wiring sensors, relays, and heavy-duty actuators in factory automation and PLC environments.
• Power Distribution Units (PDUs): Serving as a robust mains AC or high-current DC power input/output connector on custom PCB layouts.
• Audio Amplifiers: Acting as heavy-duty, vibration-resistant speaker wire outputs on high-wattage amplifier circuits.
• Motor Controllers: Providing secure and safe wiring points for high-power DC motors and stepper drivers.

Frequently Asked Questions (FAQ)

Q: Why should I choose a 7.5mm pitch over a 5.08mm pitch?
A: The "pitch" is the physical distance between the centers of adjacent pins. A wider 7.5mm pitch provides a larger gap between the conductive traces on your PCB. This extra clearance significantly reduces the risk of electrical arcing, making it much safer for routing high voltages (like mains AC power) or handling higher currents.

Q: Are these terminal blocks interlocking?
A: Yes, standard XY129 series terminal blocks typically feature a dovetail slot and groove on the sides. This allows you to easily slide multiple 2-pin or 3-pin blocks together to create a rigid 5-pin, 6-pin, or larger continuous terminal block before soldering them into your board.

Q: Do I need to solder the wires into this connector?
A: No. The pins on the bottom of the block are soldered permanently into your PCB. To connect external wires, you simply strip the wire insulation, insert the bare wire into the top slot, and tighten down the screw with a standard flathead or Phillips screwdriver to lock it securely in place.

Package Includes

• 1 × XY129 Series 3-Pin Screw Terminal Block – 7.5mm Pitch PCB Mount Connector