235-551 WAGO 235-551 is a stackable 2-conductor PCB terminal block with PUSH WIRE® connection. It features 1 pole, 10A current rating, 300V (UL) voltage rating, and 7.5/7.62 mm pin spacing.
Mfr Part #:

235-551

Available from 1 distributors
Mfr Name: Wago Corporation
Wago Corporation
WAGO 235-551 is a stackable 2-conductor PCB terminal block with PUSH WIRE® connection. It features 1 pole, 10A current rating, 300V (UL) voltage rating, and 7.5/7.62 mm pin spacing.
Total Stock: 600 pcs

235-551 Available from 1 distributor

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235-551 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuation Type
Clamping Units
Color
Conductor Cross Section (Fine-stranded with ferrule)
Conductor Cross Section (Solid)
Connection Technology
Current
Current Rating
Depth
Drilled Hole Diameter
Height
Height from PCB Surface
Lead Spacing
Material Group
Mating Orientation
Mounting Type
Number of Connection Types
Number of Levels
Number of Positions
Number of Solder Pins per Potential
Pin Spacing
Positions Per Level
Rated Impulse Withstand Voltage
Solder Pin Arrangement
Solder Pin Dimensions
Solder Pin Length
Strip Length
Termination Style
Total Number of Potentials
Voltage
Voltage Rating (IEC) - Overvoltage Category II/2
Voltage Rating (IEC) - Overvoltage Category III/2
Voltage Rating (IEC) - Overvoltage Category III/3
Voltage Rating (UL)
Width
Wire Gauge
Wire Gauge - Solid
Wire Termination

235-551 Description

Short technical summary and product information.

The WAGO 235-551 is a 1-pole stackable 2-conductor PCB terminal block from the 235 Series. It utilizes PUSH WIRE® connection technology for fast and reliable termination of solid conductors with cross sections from 0.25 mm² to 0.75 mm² (24–18 AWG). The pin spacing is rated at 7.5/7.62 mm, offering flexibility for PCB layout. The block is rated at 10 A current and 300 V (UL) or up to 1000 V (IEC depending on overvoltage category and pollution degree). Rated impulse withstand voltage is 6 kV. The terminal block is mounted via through-hole (THT) technology with a horizontal orientation to the PCB. Overall dimensions are 9 mm wide, 12.8 mm high, and 12.5 mm deep. Solder pin dimensions are 0.8 x 0.4 mm with a length of 3.6 mm, requiring a 1 mm drilled hole. The housing is gray in color. An operating tool is required for actuation. The block is designed for easy scalability into multi-pole assemblies.

235-551 Quick Information

Product Type: PCB Terminal Block
Series: 235
Canonical Name: Wago 235-551 Stackable 2-Conductor PCB Terminal Block, 1-Pole, PUSH WIRE® Connection, Gray
Subcategory: Wire to Board

235-551 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected

235-551 Features

  • PUSH WIRE® connection technology for solid conductors.
  • Rated 10A continuous current per IEC/UL.
  • Stackable 2-conductor design for multi-pole assemblies.
  • Pin spacing 7.5/7.62 mm for flexible PCB layout.
  • Through-hole mounting with THT assembly.

235-551 Applications

  • Ideal for industrial control panel wiring.
  • Used in building automation systems.
  • Suitable for PCB power distribution.
  • Common in lighting and HVAC controls.

235-551 FAQs

7 frequently asked questions generated from this part’s specifications.
How many positions does the 235-551 have?

The 235-551 is a 1-pole terminal block, with 1 position per level and 1 level.

What is the pin spacing (pitch) of the 235-551?

The pin spacing is dual rated at 7.5 mm and 7.62 mm.

What is the current rating of the 235-551?

The current rating is 10 A per IEC/EN 60664-1 and UL 1059.

What is the voltage rating of the 235-551?

UL rating is 300 V (use groups B and D). IEC ratings vary: 400 V (overvoltage category III, pollution degree 3), 630 V (III/2), and 1000 V (II/2).

What is the mounting type for the 235-551?

The mounting type is Through Hole (THT) with a horizontal orientation to the PCB.

What wire gauge does the 235-551 support?

It supports solid conductors from 24 AWG to 18 AWG (0.25 mm² to 0.75 mm²).

What connection technology is used on the 235-551?

It uses PUSH WIRE® connection technology, operated with an operating tool.

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