Reliable Insulation Connection Terminals with Four Lead Design

• Customization: Available
• Application: PCB, Cable, Car
• Environmental Protection: General
• Model NO.: JST2.5-QU
• Connection Mode: Push-Pull Connection
• Shape: Rectangle
• Contact Termination Form: Screws Fixed
• Type: Composite Electric Connector
• Character: Insulation
• Production Process: Injection Molding
• Interface Type: AC/DC
• Brand: Leipole
• Connection Standard: IEC 60947.7-1
• Insulating Material: PA66
• Inflammability Class: UL 94 Vo
• Lead Time: 3 Weeks
• History: More Than 20 Years
• Color: Grey
• Customized: Customized
• Market Occupancy: More Than 70%
• Packing: 50PCS
• Rated Current: 28A
• Rated Voltage: 800V
• Connection Type: Screw Connection
• End Cover: Grey
• Solid Cross Section: 0.2mm2-4mm2
• Stranded Cross Section: 0.2mm2-2.5mm2
• Transport Package: Exporting Cartons
• Specification: T5.2*H36*W73
• Trademark: LEIPOLE
• Origin: Shanghai China
• HS Code: 8536909000
• Production Capacity: 50000PCS/Month
• Package Size: 22.00cm * 8.50cm * 5.00cm
• Package Gross Weight: 0.490kg

Product Description

 

Product Description

Reliable Insulation Connection Terminals with Four Lead Design

Detailed Photos

 

Applications

· Automation & Control Panels: Signal wiring for PLC I/O modules, sensor networks, and small actuators.

· Machine Tool Distribution: Power feed to servomotors, spindle drives, and heating elements, benefiting from high vibration tolerance.

· Building Management Systems: Secure termination of HVAC control circuits, lighting control wiring, and fire-alarm loops.

· Transportation & Railway Equipment: Robust connections in rolling stock, ensuring electrical integrity through shocks and vibrations.

· Industrial Power Distribution: Branching of 24 V, 48 V, or higher DC bus and AC control voltages in machinery and switchgear.
 

· Renewable Energy Inverters: Termination of string inputs and auxiliary DC supplies in solar and wind inverters.

Product Parameters

Technical Data:

Size	T5.2×H36×W73
Approval	CE/CQC
Insulating Material	PA66
Inflammability Class	UL 94Vo
Connection Standard	IEC 60947-7-1
Din Rail Type	NS 35/7.5,NS 35/15,NS 32

 

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FAQ

Q1: Can I insert stranded wires directly into JST blocks?

Yes. JST terminals securely hold both solid and stranded wires. For stranded wires, using ferrules can improve insertion consistency.

Q2: How do I release a wire from a JST spring terminal?

Use a flat-blade screwdriver or the integrated release button to depress the spring element, then pull the conductor out easily.

Q3: Are JST spring terminals suitable for high-vibration environments?

Absolutely. The spring mechanism consistently maintains clamping force even under continuous vibration, making them ideal for mobile machinery and rail applications.

Q4: What safety standards do JST blocks comply with?

JST Series uses UL94 V-0 flame-retardant PA66 housing and meets IEC/EN 60947-7-1 requirements for terminal blocks. They also conform to RoHS and REACH directives.

Q5: Can I stack or bridge multiple JST blocks?

Yes. JST blocks feature standardized lateral and vertical bridge slots, allowing quick installation of jumper bars or busbars for parallel or multi-pole circuit distribution.

Q6: What ambient temperatures are supported?

JST blocks operate safely from -20 °C to +70 °C. Ensure panels remain within this range and provide adequate ventilation for continuous loads.

Why use spring-loaded terminal blocks in control wiring?

They ensure stable, vibration-proof connections that maintain contact pressure without re-tightening, ideal for long-term panel reliability.

How do push-in spring terminal blocks speed up installation?

Simply insert the conductor without tools,the spring mechanism locks it securely, reducing wiring time by up to 50%.

What's the benefit of a DIN-rail spring terminal block with a lever?

The lever allows easy conductor release without tools, making frequent wiring changes faster and safer.

When should I choose a 41A spring clamp terminal block?

For compact power distribution where high-current capability and maintenance-free performance are required.

Why choose a compact multi-level spring terminal block?

It maximizes wiring density in control cabinets while maintaining clear circuit separation in a small footprint.