Schneider Electric ZBE1015 Contact Block 1NO push-in

ZBE1015: Harmony contact block with 1NO push-in function

The ZBE1015 is a Schneider Electric contact block for 22 mm Harmony XB4 and XB5 operators, carrying one normally open contact with push-in terminals. Seven Star LLC supplies the ZBE1015 in Oman and the GCC as an independent supplier in Muscat, mainly to panel shops and maintenance stores that restock the contact side of push-button and selector stations.

The datasheet lists it as a contact block of the ZBE type, sold in packs of 5. Unlike the ZB5AZ bodies, a ZBE block carries no fixing collar of its own, so it is clipped behind the head together with a collar or on a body, and one pack is meant to cover several stations.

What the 1NO push-in contact does

This is the compact push-in version, only 9.8 mm deep, 14.8 mm high and 34.3 mm wide. The wire is pushed straight into the terminal, so no screwdriver is needed, which shortens wiring time on a long run of identical stations and avoids the periodic re-tightening that screw terminals sometimes need.

The contact changes state after 2.05 mm of travel out of 4.3 mm total, at an operating force of 2.45 N, a little shorter and a little firmer than the screw-terminal blocks.

ZBE blocks in this lane and where ZBE1015 sits

The eight blocks below share the Harmony XB4 and XB5 mounting but differ in contacts, terminals and ratings.

Typical uses in Oman and the GCC

Contact blocks such as ZBE1015 are held as maintenance spares by plants that run many Harmony stations: motor control centres, pump and fan starters, gate controls and packaged skids in oil and gas, power, water and desalination sites. In hot and dusty conditions the contact side is the part most likely to be worn first, so a stocked pack lets an electrician restore a station in minutes.

Terminals and wiring of the ZBE1015

The push-in terminals take up to two 1.5 mm² conductors with wire end ferrules, or one conductor from 0.34 mm² without a ferrule. Insert the wire straight into the terminal; there is no screw to tighten and therefore no torque value to apply, but the wire must be stripped to the correct length and fully inserted.

The IP20 rating in the datasheet applies to the block itself, which sits behind the panel, so the sealing of the station against water and dust is provided by the head and the gasket. Keep insulation clearances in mind between neighbouring blocks, and label each block so that the terminal numbers in the drawing match the wiring.

Ratings, durability and environment

The datasheet lists operational currents of 6 A at 120 V, AC-15, A300, 3 A at 240 V, AC-15, A300, 0.55 A at 125 V, DC-13, Q300, 0.27 A at 250 V, DC-13, Q300, with a thermal current of 10 A and a 10 A gG cartridge fuse for short-circuit protection. The insulation voltage is 300 V (pollution degree 3). The A300 and Q300 designations place this block at 300 V, a lower class than the 600 V (A600/Q600) screw-terminal blocks of the same range, which is worth noting in 400 V and 480 V control circuits. Mechanical durability is 10 million cycles for ZBE1015, and the operating and storage range runs from -40 to 70 °C.

Vibration resistance is 5 gn (f= 10–500 Hz) and 25 mm peak to peak (f= 2–10 Hz) and shock resistance reaches 30 gn for 18 ms and 50 gn for 11 ms. The certifications on the datasheet are EAC, IECEE CB Scheme, CCC, UL, CSA. These apply to this exact reference only, so match any approval needed by the project against that list for ZBE1015.

Stacking and combination with heads and bodies

A single block occupies one position behind the head. Several blocks can be clipped side by side on the same collar to build a multi-contact station, for example a 1NO block beside a 1NC block, and each contact then operates from the same push-button stroke. The single construction also makes it easy to replace one failed contact without touching the others.

The datasheet for this reference does not list electrical composition codes, so check the stack height and mounting method on the manufacturer drawing before using it with a light block.

Technical data of the ZBE1015

Information to send with an RFQ for ZBE1015

The points below let us confirm the part number against the datasheet and check stock in one reply.

• Part number ZBE1015 and the number of packs.
• Contact arrangement required and whether a positive-opening contact is needed.
• Terminal style: screw clamp, faston or push-in.
• The control voltage and current to be switched.
• The head and collar the block will be used with.
• Delivery location and lead time.

A photo of the old block with its label visible helps us to confirm a like-for-like match.

Documents and quotation

A copy of the Schneider Electric datasheet for the ZBE1015 is attached on this page for your technical file. It holds the electrical, mechanical and environmental values that are summarised above.

To request a quotation, send the part number and the quantity through the enquiry form and we will reply with availability and delivery terms. Seven Star LLC is an independent supplier and does not act for the manufacturer, so please compare the datasheet with your project requirements before you order.