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Schneider Electric Harmony XB4 metal contact block 22 mm 1 NC pre-assembled on fixing collar

Schneider Electric

Schneider Electric ZB4BZ1025 Harmony XB4 Body Contact 1 NC Metal Fixing 22 mm

SKU CH-KDRM-EVXPS

A pre-assembled 22 mm metal contact block with one normally closed circuit, IP20 protection and push-in terminals for Harmony XB4 push buttons

  • Size22 mm
  • Product typeIndustrial Electrical Controls & Automation
  • Pre-assembled contact block speeds panel assembly
  • 1 normally closed contact ensures safe circuit interruption
  • IP20 protection shields operators from live parts
  • 1 million cycle endurance reduces maintenance downtime
  • Wide -40 °C to 70 °C range suits harsh environments

Harmony XB4 Contact Block for Industrial Panels

This Schneider Electric ZB4BZ1025 is a pre-assembled contact block and fixing collar designed for Harmony XB4 push-button heads. It provides one normally closed contact and carries an IP20 rating to protect operators from live parts. The metal body weighs 49 g and operates from -40 °C to 70 °C.

Suits Builders Completing XB4 Stations

Electricians finishing Harmony XB4 control stations will appreciate the push-in terminals and the 1 million cycle endurance that reduces maintenance. Installers who need normally open contacts, multiple contact blocks in one collar, or a different mounting diameter should look at other configurations.

Simple Push-In Installation

The block snaps onto a 22 mm cut-out and the push-in terminals accept solid or ferruled wires without tools. The most common issue is exceeding the single NC contact rating or using a head not designed for the XB4 collar, which prevents a secure lock.

How it compares

Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 60% of the 2,607 comparable items (median $18.99).

Specifications

Product
Brand nameSCHNEIDER ELECTRIC
Product typeIndustrial Electrical Controls & Automation
Size & build
Size22 mm

Questions about this item

Which Harmony XB4 operator head do I need to complete the 22 mm metal body assembly?

Any Harmony XB4 head — push button, selector switch, pilot light or mushroom — clips onto the pre-assembled collar to finish the 22 mm unit.

Can the push-in terminals on this 1 NC contact block accept solid and stranded wire without ferrules?

Yes, the push-in terminals are designed for direct insertion of both solid and stranded conductors, no ferrules required.

How do I verify the IP20 protection and NC contact operation after wiring the block?

Confirm the IP20 finger-safe shroud covers all live parts, then use a continuity tester to prove the circuit opens when the operator is actuated.

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