Din Rail Terminal Block PTTB 2.5 — Double-Layer Spring-Wiring Connection

Designed for compact control panels and industrial enclosures, the PTTB 2.5 din rail terminal block combines a two‑layer construction with a reliable spring‑cage connection. This means you get higher terminal density without increasing the footprint on your NS 35/7.5 DIN rail, keeping wiring neat and accessible in busy automation environments.

Key features

  • Double-layer design for increased connection points in a compact space
  • Spring-cage (spring‑clamp) connection for fast, vibration‑resistant terminations
  • Voltage/current rating: 500V / 22A
  • Conductor range: 0.14–4 mm² (solid/stranded); compatible with 26–12 AWG
  • Material: PA66 Nylon housing for durability in industrial settings
  • DIN rail mounting: NS 35/7.5 for quick installation
  • Dimensions: 68 mm (L) × 47.5 mm (W) × 5.2 mm (H)
  • Color options: Grey standard; blue or other colors customizable
  • Pack size: 10 terminal blocks per order

Technical specifications

  • Model: PTTB 2.5
  • Rated Voltage/Current: 500V / 22A
  • Cable range: 0.14–4 mm² (solid/stranded); 26–12 AWG
  • Connection method: Spring-cage (spring clamp)
  • Body material: Nylon PA66
  • Mounting type: NS 35/7.5 DIN rail
  • Color: Grey (custom colors available on request)
  • Pack: 10 pieces per pack

What you can connect

The PTTB 2.5 supports a wide range of conductors suitable for control circuits, I/O wiring, sensors, and small actuators in automation projects. Its two‑tier design helps you bundle more connections in a tidy, accessible format, making maintenance and troubleshooting simpler in dense control cabinets.

Accessories and add‑ons (sold separately)

  • End cover: D-PTTB2.5
  • Plug‑in bridge options: FBS 2‑5, 3‑5, 4‑5, 5‑5, 10‑5
  • Marker strip: ZBFM5
  • End stop: E-UK
  • Marker carriers: B1/B2, KLM‑A
  • Ground terminal block: PTTB2.5‑PE

Ideal applications

  • Industrial control panels and machine automation
  • PLC I/O distribution and sensor/actuator wiring
  • Power distribution within compact enclosures under 500V

For customers seeking color customization or additional variants, color options and tailored configurations are available to match your panel aesthetics and wiring standards.


End cover
D-PTTB2.5

Jumpers Bridge
10-5
Marker strip
ZBFM5
End stop
E-UK

Marker Carrier
B1/B2
Marker Carrier
KLM-A
Ground terminal block
PTTB2.5-PE
Din Rail


Type No.

Details

Accessories

PTTB 2.5

500V/22A
0.14-4mm2/0.14-2.5mm2
L68/H47.5/W5.2 mm

End cover:
D-PTTB 2.5

Plug-in bridge:
FBS 2-5,3-5,4-5,5-5,10-5

Marker strip:
ZBFM 5


Model Number

PTTB 2.5

Color

Grey, Blue, other color can be customized

Length/Wide/Height (mm)

68/47.5/5.2

Connection method

Spring-cage connection

Material

Nylon PA66

Rated Voltage/Current

500V/22A

Cross section, solid/soft Cable

0.14-4mm2 / 0.14-2.5 mm2

Conductor Size

26-12 AWG

Mounting Type

NS 35/7.5

Packing Detail

10.23g/pc, 50PCS/BOX


Type No.

Cross section
solid/soft Cable

Voltage/Current

Picture

Click it

UK2.5B

0.2-4mm²/0.2-2.5mm²
L42.5/H41/W6.2 mm

800V /32A

Buy

ST2.5

0.2-4mm²/0.2-2.5mm²
L49/H35.5/W5.2 mm

800V /31A

Buy

PT2.5

0.2-4mm²/0.2-2.5mm²
L48.5/H35.5/W5 mm

800V /31A

Buy

PTTB2.5

0.14-4mm²/0.14-2.5mm²
L68.8/H46/W5.2 mm

500V /22A

Buy

UK5-HESI
fuse holder

0.2-4mm²/0.2-4mm²
L73.5/H56.5/W8.2 mm

800V /6.3A

Buy

DIKD1.5

0.2-4mm²/0.2-2.5mm²
L73/H54.5/W6.2 mm

250V /32A

Buy

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Total price$131.48

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