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Specializes in the production of terminal blocks and industrial electrical connection products.

PCB Spring Terminal Blocks
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PCB Spring Terminal Blocks

PCB spring terminal blocks, the wiring modes are cage type spring connection and butterfly spring connection, which can be alternative used with PCB screw terminal blocks, increasing flexibility.


  • China PCB Spring Terminal Block 5.08/7.62mm
    SUN is pleased to present China PCB Spring Terminal Block 5.08/7.62mm. This range of spring-type plugs provides a quick and easy way for installers in the field to mate wires without the use of special tools. SUN’s comprehensive solutions, including left-and right-hand spring-type plugs, clamp wires in quickly and save both time and labor for a multitude of control and power wiring applications. Furthermore, multiple wire access angles offer space savings as they allow additional configurations and provide flexibility in the design of board layouts in tight spaces.
  • China 2.54mm PCB Terminal Connector
    Depending on the model, the SUN China 2.54mm PCB Terminal Connector is equipped with either one or two solder pins per position. The orange actuators make it easy for the person to do the wiring to recognize how to open the spring clamp. All models are UL approved and feature a stainless steel spring for ideal wire retention, tin-plated solder pins for guaranteed solder-ability, and an area to place a marking strip to identify wire locations. SUN also offers a wide range of crimp-on wire ferrules, which are typically used with spring terminal blocks and connectors.
  • China 2.5mm Spring Terminal Block
    China 2.5mm Spring Terminal Block is used to realize wire to wire, wire to board, board to board connection, which is divided into the pluggable type and fixed type. China 2.5mm Spring Terminal Block provides a flexible solution for all the wiring requirements of device manufacturers and PCB processors. Together with the electronic housings, both ranges open up an infinite number of possibilities for "packing" printed circuits efficiently, and for connecting them with the device peripherals.
    ● High density - mini-connectors with small dimensions
    ● High power - transmission of up to 125 A UL
    ● High flexibility - stack-able to accommodate many pole counts on different planes
  • China Best PCB Terminal Block Connector 5.0mm
    The China Best PCB Terminal Block Connector 5.0mm adopts the cage spring and leaf spring wiring technology, which can be used interchangeably with the PCB screw terminal block. PCB spring terminal blocks with different pitches from 2.5mm to 10.0mm, using highly reliable elastic material that is resistant to shock, easy to match, and simple to assemble. SUN is professional China terminal block manufacturers and pleased to present high-quality PCB spring terminal blocks.
  • China PCB Spring Terminal Blocks 3.5mm
    The China PCB Spring Terminal Blocks 3.5mm adopt the cage spring and leaf spring wiring technology, which can be used interchangeably with the PCB screw terminal block. PCB spring terminal blocks with different pitches from 2.5mm to 10.0mm, using highly reliable elastic material that is resistant to shock, easy to match, and simple to assemble.
  • 142V 5.08/7.62mm PCB Spring Terminal Block
    SUN is pleased to present 142V 5.08/7.62mm PCB Spring Terminal Block. This range of spring-type plugs provides a quick and easy way for installers in the field to mate wires without the use of special tools. SUN’s comprehensive solutions, including left-and right-hand spring-type plugs, clamp wires in quickly and save both time and labor for a multitude of control and power wiring applications. Furthermore, multiple wire access angles offer space savings as they allow additional configurations and provide flexibility in the design of board layouts in tight spaces.
  • 141R 2.54mm PCB Terminal Block
    SUN is pleased to present 141R 2.54mm PCB Terminal Block. Spring terminal block connector is useful in applications using small wire diameters without the need for high strength connections as well as for use in a limited working space where screwing terminals down may be difficult. Depending on the model, the SUN 141R 2.54mm PCB terminal blocks are equipped with either one or two solder pins per position. The orange actuators make it easy for the person doing the wiring to recognize how to open the spring clamp.
  • 141V 2.54mm PCB Spring Terminal Blocks
    The range of spring clamp 141V 2.54mm PCB Spring Terminal Blocks include vertical, horizontal and angled wire entry, with and without actuators to open up the spring clamp and pin spacing that include 2.54 mm, 3.5 mm, 3.81 mm, 5 mm, 5.08 mm, 7.5 mm and 7.62 mm. PCB spring terminal blocks are an electrical connection method predominantly used on printed circuit boards (PCBs). The modular design offers a mixture of application options as well as offering a variety of multi-level blocks for space-saving and optimization. The product is designed to comply with international quality standards, such as IEC60998 and UL1059.
  • 142R 5.08/7.62mm PCB Terminal Block Connector
    The spring PCB terminal block range now features a new highlight which considerably reduces the wiring required for power electronics. The 142R 5.08/7.62mm PCB Terminal Block Connector already has unlimited UL rating in a 15 mm pitch of up to 600 volts. Insulated bridges are available with a varying number of positions for looping through potentials and integrated test connections permit convenient use of test plugs. The PCB spring terminal block connector can also be screwed down with the aid of the lateral mounting flanges.
    Applications:
    ● Wire-to-board applications requiring field wiring termination
    ● Applications subject to certain types of vibration
    ● HVAC controls
    ● Industrial controls: control and power wiring
  • 211V 2.54mm PCB Terminal Connector
    Depending on the model, the SUN 211V 2.54mm PCB Terminal Connectors are equipped with either one or two solder pins per position. The orange actuators make it easy for the person doing the wiring to recognize how to open the spring clamp. All models are UL approved and feature a stainless steel spring for ideal wire retention, tin-plated solder pins for guaranteed solder-ability and an area to place a marking strip to identify wire locations. SUN also offers a wide range of crimp-on wire ferrules, which are typically used with spring terminal blocks and connectors.
Sun Electric Co., Ltd
Founded in 2011, Sun Electric Co., Ltd specializes in the production of terminal blocks and industrial electrical connection products.

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