4Pcs PTTB-2.5 Double Layer Spring Terminal Block | DIN Rail
4Pcs PTTB-2.5 Double Layer Spring Terminal Block | DIN Rail
4Pcs PTTB-2.5 Double Layer Spring Terminal Block – 2 In 2 Out, Tool-Free Push-In Connection
Upgrade your electrical panel wiring with the PTTB-2.5 Double Layer Spring Terminal Block. Designed for industrial control systems, distribution cabinets, and DIN rail panels, this 4-piece set delivers fast, secure, and tool-free wire connections using a push-in spring cage mechanism. Say goodbye to tedious screw terminals — simply push the wire in and you're done.
Made in Mainland China.
Key Features
- Double Layer 2-In / 2-Out Design: Compact structure enables organized, high-density cabinet wiring without sacrificing accessibility.
- Tool-Free Push-In Spring Cage Connection: Wires lock in place instantly — no screwdriver required — saving valuable installation and maintenance time.
- Nylon PA66 Construction: Offers excellent insulation, flame resistance, and long-term durability in demanding electrical environments.
- Wide Wire Compatibility: Accepts 0.14–4mm² solid cable and 0.14–2.5mm² flexible cable (26–12 AWG), suitable for a broad range of wiring applications.
- DIN Rail Mounting: Compatible with NS 35/7.5 DIN rail for quick, stable installation in standard electrical enclosures.
- High Rated Voltage & Current: Rated at 500V / 22A, meeting IEC 60947-7-1 standards for reliable performance.
Specifications
| Model | PTTB-2.5 |
| Material | Nylon PA66 |
| Color | Grey, Blue (Customizable) |
| Connection Method | Spring Cage Push-In |
| Rated Voltage / Current | 500V / 22A |
| Cross Section (Solid Cable) | 0.14–4mm² |
| Cross Section (Flexible Cable) | 0.14–2.5mm² |
| Conductor Size | 26–12 AWG |
| Mounting Type | NS 35/7.5 DIN Rail |
| Standard | IEC 60947-7-1 |
| Quantity | 4 Pieces |
What's in the Box?
- 4× PTTB-2.5 Double Layer Spring Terminal Block
Notes
- Actual color may vary slightly from product images due to monitor brightness and lighting conditions.
- Please allow minor measurement deviations (1cm ≈ 0.39 inches).
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Frequently Asked Questions
Q: What wire sizes are compatible with the PTTB-2.5 spring terminal block?
A: The PTTB-2.5 terminal block accepts 0.14–4mm² solid cables and 0.14–2.5mm² flexible/soft cables, covering conductor sizes from 26 AWG to 12 AWG — suitable for a wide range of standard electrical wiring tasks.
Q: Does the PTTB-2.5 terminal block require any special tools for installation?
A: No tools are needed. The push-in spring cage connection method allows you to insert a wire directly into the terminal and it locks securely in place without a screwdriver, making installation fast and straightforward.
Q: What type of DIN rail does this terminal block mount on?
A: The PTTB-2.5 is designed for NS 35/7.5 DIN rail mounting, which is the standard top-hat DIN rail used in most industrial control panels and distribution cabinets.
Q: What standard does this terminal block comply with?
A: The PTTB-2.5 double layer spring terminal block is manufactured to IEC 60947-7-1 standards, ensuring reliable performance at its rated 500V / 22A operating parameters.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.