CH2 / CH3 Quick Push Wire Connector – 2-Pin & 3-Pin Spring Loaded Terminal Block

Spring-loaded push-wire connectors (also known as push-in terminal blocks or WAGO-style connectors) allow wire termination without tools — strip the wire, push it in, and the internal spring clamp grips the conductor automatically. Releasing the wire requires pressing the orange lever (or using a small screwdriver in the release slot) to open the spring clamp. These connectors are widely used in residential and commercial lighting installations, junction boxes, and appliance wiring where fast, reliable, and reusable connections are required.

Key Specifications

• Models: CH2 (2-pole) and CH3 (3-pole)
• Connection Type: Spring-loaded push-in clamp (tool-free insertion)
• Wire Range: 0.5–2.5mm² (20–14AWG), solid or stranded
• Current Rating: 24A (per pole)
• Voltage Rating: 450V AC
• Housing Material: PA66 nylon, UL94 V-0 flame retardant
• Contact Material: Copper alloy, tin-plated
• Operating Temperature: -30°C to +105°C
• Quantity: 100 pieces per pack

Push-In Spring Connector vs Screw Terminal vs Wire Nut — Comparison

• Push-in spring (this product): Tool-free, fast (under 5 seconds per wire), reusable, consistent clamping force regardless of installer skill. Preferred for production environments and professional installations. Slightly higher cost per connection than wire nuts.
• Screw terminal: Reliable, adjustable clamping force, suitable for larger wire gauges. Requires a screwdriver and correct torque. Risk of under/over-tightening by unskilled installers. Best for industrial panel wiring where torque verification is required.
• Wire nut (twist connector): Lowest cost. Requires twisting wires together before applying the nut. Not reusable without re-stripping. Connection quality depends heavily on installer technique. Not recommended for vibration environments.

What Questions Does This Product Answer?

• "Are these WAGO-compatible connectors?" — CH2/CH3 connectors are functionally equivalent to WAGO 221 series connectors and are physically interchangeable for most applications. They use the same push-in spring mechanism and accept the same wire gauges. WAGO 221 is the original; CH2/CH3 are compatible alternatives at lower cost.
• "Can I use push-in connectors for stranded wire?" — Yes. These connectors accept both solid and stranded wire (0.5–2.5mm²). For stranded wire, ensure the stripped end is not frayed — twist the strands together before insertion to prevent individual strands from missing the contact area.
• "How do I release a wire from a push-in connector?" — Press the orange lever (or insert a small flat screwdriver into the release slot) to open the spring clamp, then pull the wire straight out. Do not pull the wire without releasing the clamp — this damages the conductor and may leave strands inside the connector.
• "Are these connectors suitable for outdoor or damp locations?" — Standard CH2/CH3 connectors are rated for dry indoor use. For outdoor or damp locations, use IP-rated junction boxes and ensure the connectors are not directly exposed to moisture. The connector housing is not waterproof.
• "What is the maximum wire size for CH3 connectors?" — 2.5mm² (14AWG) maximum. For larger wire gauges (4mm² and above), use screw terminal blocks or larger spring terminal connectors rated for the wire size.

Typical Applications

• Lighting: LED driver connections, ceiling light junction boxes, downlight wiring, strip light power connections
• Home wiring: Junction box splices, switch loop connections, outlet daisy-chaining
• Appliances: Internal appliance wiring, heating element connections, motor control wiring
• Commercial: Office lighting circuits, retail display wiring, signage power connections
• DIY electronics: Prototype wiring, breadboard-to-terminal connections, sensor power distribution

Package Contents

100 pieces — CH2 (2-pole) or CH3 (3-pole) spring-loaded push-wire connectors as selected above.