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Marvo Part ID: MV-29CB

£22.77 (ex. VAT)


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Specification Description
Part Number VZ7
Manufacturer Schneider
Product Type Auxiliary Contact Block
Rated Operational Voltage 690 V AC
Network Frequency 50/60 Hz
Contact Composition 1 Normally Open (NO) + 1 Normally Closed (NC)
Contact Operation Late-make 1 NO, Early-break 1 NC
Mounting Location Right
Rated Impulse Withstand Voltage 8 kV
Conventional Free Air Thermal Current 12 A
Conventional Enclosed Thermal Current 10 A
Mechanical Durability 100,000 cycles
Electrical Durability 30,000 cycles for DC-11, 100,000 cycles for AC-15
Connections - Terminals Screw clamp terminals for cables 0.75…1.5 mm² flexible - with cable end, 1…2.5 mm² solid
Tightening Torque 0.7 N.m on screw clamp terminals
Height 65 mm
Width 20 mm
Depth 48.5 mm
Net Weight 0.05 kg
Standards IEC 60947-5
Product Certifications GL, CSA, UL, UKCA
Protective Treatment TC
IP Degree of Protection IP20 conforming to IEC 60529
Ambient Air Temperature for Operation -20…50 °C
Fire Resistance 960 °C conforming to IEC 60695-2-1
Product Compatibility V2, V5, V02, V6, V1, V4, V01, V0, V3
Sustainable Offer Status Green Premium product
REACh Regulation REACh Declaration
EU RoHS Directive Compliant
Mercury Free Yes
China RoHS Regulation China RoHS Declaration
RoHS Exemption Information Yes
Environmental Disclosure Product Environmental Profile
PVC Free Yes
Halogen Content Performance Halogen free product

Commonly Asked Questions

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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.


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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Marvo currently delivers to the United Kingdom (excluding Northern Ireland), the United States of America and Germany. If you cannot find your delivery address at checkout, this is most likely because Marvo does not currently deliver to this location. There are ongoing efforts to make Marvo accessible to a global market, keep your eyes peeled as our service expands to new locations. All orders are sold with a streamlined delivery process ensuring that you get your part, fast. Marvo is designed to offer you quick, easy and reliable access to critical components and uses well established global shipping services, including but not limited to DHL, UPS and FedEx.


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VZ7 Product Description

The Schneider VZ7 Auxiliary Contact Block is a high-performance component designed to enhance the functionality of control systems within industrial applications. This compact and reliable accessory is engineered to operate with a variety of Schneider Electric's TeSys VARIO switchgear, ensuring seamless integration and compatibility.

Rated for use in both alternating current (AC) and direct current (DC) networks, the VZ7 features a robust construction that can handle a rated operational voltage of up to 690 V AC at 50/60 Hz. The unit is equipped with one normally open (NO) and one normally closed (NC) contact, with the NO contact designed for late-make operation and the NC contact for early-break operation, providing flexibility in control circuit design.

The VZ7's mechanical durability is proven with a rating of 100,000 cycles, and its electrical endurance is rated for 30,000 cycles for DC-11 and 100,000 cycles for AC-15, ensuring long-term reliability in demanding environments. The auxiliary contact block can be mounted on the right side of the switchgear, and its screw clamp terminals accommodate cables ranging from 0.75 to 2.5 mm², with a tightening torque of 0.7 N.m for secure and stable connections.

Constructed to meet IEC 60947-5 standards and certified by GL, CSA, UL, and UKCA, the VZ7 is designed to withstand the rigours of industrial settings. It boasts an IP20 degree of protection conforming to IEC 60529, safeguarding against the ingress of solid objects. The unit can operate in ambient air temperatures ranging from -20 to 50°C and offers fire resistance up to 960°C in accordance with IEC 60695-2-1.

The Schneider VZ7 is a Green Premium product, reflecting its compliance with environmental regulations such as REACh, EU RoHS, and China RoHS. It is free from harmful substances like PVC and halogens, making it an environmentally conscious choice for modern industrial applications.

With its combination of performance, durability, and environmental compliance, the Schneider VZ7 Auxiliary Contact Block is an essential component for those seeking to maintain or enhance the efficiency and reliability of their control systems.

Frequently Asked Questions

What is the voltage rating for this auxiliary contact block?

The auxiliary contact block is rated for a nominal operational voltage of 690 V AC at 50/60 Hz.

Can this contact block be mounted on both the left and right side?

Yes, the contact block is designed for flexible mounting and can be installed on either the left or right side.

What type of contacts does this auxiliary contact block have?

This auxiliary contact block features 1 Normally Open (NO) late-make contact and 1 Normally Closed (NC) early-break contact.

What is the thermal current rating for this contact block?

The conventional free air thermal current rating (Ith) is 12 A, and the conventional enclosed thermal current (Ithe) is 10 A.

What is the mechanical durability of this contact block?

The mechanical durability of the contact block is rated at 100,000 cycles.

What is the electrical durability of this contact block?

The electrical durability is rated at 30,000 cycles for DC-11 and 100,000 cycles for AC-15.

What are the dimensions of this auxiliary contact block?

The dimensions are 65 mm in height, 20 mm in width, and 48.5 mm in depth.

What is the tightening torque for the terminals of this contact block?

The recommended tightening torque for the screw clamp terminals is 0.7 N.m.

What standards does this auxiliary contact block comply with?

It complies with the IEC 60947-5 standard.

What is the degree of protection for this contact block?

The contact block has an IP20 degree of protection conforming to IEC 60529.

What is the ambient operating temperature range for this contact block?

The operating temperature range is from -20 to 50 degrees Celsius.

What is the fire resistance of this auxiliary contact block?

The contact block has a fire resistance of 960 degrees Celsius conforming to IEC 60695-2-1.

Is this auxiliary contact block halogen free?

Yes, the VZ7 auxiliary contact block is a halogen free product.

What is the product compatibility of this contact block?

This contact block is compatible with a range of products including V2, V5, V02, V6, V1, V4, V01, V0, and V3.