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Schneider ZB4BZ103

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£28.49 (ex. VAT)

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Marvo Stock ID MV-1V78
HS Code 85365080
SKU ZB4BZ103
Condition New sealed
Warranty 12 months
Weight (kg) 0.06
Length (mm) 37.00
Width (mm) 30.00
Height (mm) 47.00

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Specification & Description

Specification Description
Part Number ZB4BZ103
Manufacturer Schneider
Product Range Harmony XB4
Product Type Contact Assembly
Device Short Name ZB4
Fixing Collar Material Zamak
Sale per Indivisible Quantity 1
Contacts Type and Composition 2 NO (Normally Open)
Contact Operation Slow-break
Contact Block Type Single
Device Composition Body with Fixing Collar
Connections - Terminals Screw Clamp Terminals: <= 2 x 1.5 mm² with cable end, >= 1 x 0.22 mm² without cable end
CAD Overall Width 30 mm
CAD Overall Height 47 mm
CAD Overall Depth 37 mm
Terminals Description ISO No (13-14) NO
Net Weight 0.062 kg
Contacts Usage Standard Contacts
Positive Opening Without
Operating Travel 2.6 mm (NO changing electrical state), 4.3 mm (total travel)
Operating Torque 0.05 N.m (NO changing electrical state)
Mechanical Durability 5000000 cycles
Tightening Torque 0.8...1.2 N.m conforming to EN 60947-1
Shape of Screw Head Cross compatible with Philips No 1, Cross compatible with Pozidriv No 1, Slotted flat Ø 4/5.5 mm
Contacts Material Silver Alloy (Ag/Ni)
Short-Circuit Protection 10 A cartridge fuse type gG conforming to EN/IEC 60947-5-1
Rated Insulation Voltage (Ui) 600 V (degree of pollution: 3) conforming to EN 60947-1
Rated Impulse Withstand Voltage (Uimp) 6 kV conforming to EN 60947-1
Rated Operational Current (Ie) 3 A at 240 V, AC-15, A600; 6 A at 120 V, AC-15, A600; Various ratings for DC-13

The Schneider ZB4 Series Contact Assembly, part number ZB4BZ103, is a robust and reliable component designed for seamless integration with standard contact interfaces. Crafted with precision, this contact block features a mounting collar and is equipped with two normally open (NO) contacts, ensuring efficient and dependable operation in various control and signalling applications.

Constructed with a durable Zamak fixing collar, the ZB4BZ103 is engineered to withstand the rigours of industrial environments. Its screw clamp terminals accommodate cables up to 2 x 1.5 mm² with cable end, in accordance with EN 60947-1 standards, and can also secure a minimum of 1 x 0.22 mm² without cable end, offering flexibility and ease of installation.

The contact block's slow-break contact operation is designed for applications requiring precise and safe switching. With a mechanical durability of 5 million cycles, this component promises longevity and consistent performance. The contacts are made from a high-quality silver alloy (Ag/Ni), ensuring excellent conductivity and resistance to wear.

Rated for an operational current of up to 6 A at 120 V AC-15, A600 and 1.2 A at 600 V AC-15, A600, the ZB4BZ103 is suitable for a wide range of electrical loads. It also boasts a rated insulation voltage of 600 V and an impulse withstand voltage of 6 kV, providing additional protection against voltage spikes.

The compact dimensions, with an overall width of 30 mm, height of 47 mm, and depth of 37 mm, make the ZB4BZ103 an ideal choice for space-constrained applications. Its straightforward design ensures compatibility with a variety of push button operators within the Harmony XB4 range.

The ZB4BZ103 contact assembly is a testament to Schneider's commitment to quality and innovation, offering a dependable solution for industrial control systems.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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What payment methods do you accept?

We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.

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Frequently Asked Questions

What is the voltage rating for this contact assembly?

The contact assembly is rated for a voltage of up to 600 V.

Can you describe the contact composition of this component?

This component features a contact composition of 2 Normally Open (NO) contacts.

What type of terminals does this contact block support?

The contact block supports screw clamp terminals, accommodating wires of various sizes as specified in the product datasheet.

What is the tightening torque specification for this contact block?

The tightening torque for this contact block should be between 7.08 and 10.62 lbf.in, as per the relevant standards.

What is the material of the fixing collar for this contact block?

The fixing collar of the contact block is made of Zamak, a family of alloys with a base metal of zinc and alloying elements of aluminium, magnesium, and copper.

What is the mechanical durability of this contact block?

The mechanical durability of the contact block is rated at 5 million cycles.

What are the dimensions of this contact assembly?

The contact assembly has an overall width of 30 mm, height of 47 mm, and depth of 37 mm.

Is this product compliant with environmental regulations?

Yes, this product is compliant with several environmental regulations, including REACh and RoHS, and is a Green Premium product.

What is the operational current rating for this contact block?

The operational current rating varies depending on the voltage and application context, with ratings provided for AC-15 and DC-13 utilisation categories.

What type of protection does this contact block offer?

The contact block offers short-circuit protection with a 10 A cartridge fuse type gG, in accordance with relevant standards.

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Part conditions explained


We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.

Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.

Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.

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