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.