VZ12 Přídavný neutrální blok 80A 1NO pro V3/V4

The Schneider Electric VZ12 is an additional neutral block for the TeSys VARIO range, designed to add a switched neutral pole to V3 and V4 VARIO isolating switches. Rated at 80 A with a 1 NO contact configuration featuring early-make, late-break operation, it ensures correct neutral switching sequence in both AC and DC networks up to 690 V.

Technical specifications:

• Commercial reference: VZ12
• Manufacturer: Schneider Electric
• Series / range: TeSys VARIO
• Product type: Additional neutral block
• Number of poles: 1N
• Contact type and composition: 1 NO
• Contact operation: Early make, late break
• Compatible with: V3, V4 VARIO isolating switches
• Network type: AC / DC
• Network frequency: 50/60 Hz
• Rated voltage [Ue]: 690 V AC 50/60 Hz
• Rated impulse withstand voltage [Uimp]: 6 kV
• Conventional thermal current [Ith]: 80 A
• Mechanical endurance: 30,000 cycles
• Electrical endurance: 30,000 cycles DC-1...5 / 30,000 cycles AC-21
• Mounting position: Left or right side
• Connection: Screw terminals - 16 mm² flexible (with cable end) / 25 mm² solid
• Tightening torque: 4 N.m
• Dimensions (WxHxD): 20 x 83 x 46 mm
• Weight: 0.1 kg
• IP rating: IP20 per IEC 60529
• Operating temperature: -20...50 °C
• Standard: IEC 60947-3
• Certifications: GL, UL, CSA, UKCA

Features and benefits:

• Early-make, late-break contact operation ensures the neutral is connected before and disconnected after the phase contacts, maintaining safe switching sequence.
• Compatible with both V3 and V4 TeSys VARIO isolating switches, offering flexibility across switch sizes.
• Rated for 690 V AC and both AC and DC networks, suitable for a wide range of industrial applications.
• Mounts on either the left or right side of the base switch for adaptable panel layout.
• High mechanical and electrical endurance of 30,000 cycles ensures long service life in demanding installations.

Applications:

• Industrial control panels requiring neutral pole isolation alongside VARIO switch-disconnectors.
• Machine control circuits where switching the neutral in correct sequence is required for safety.
• Motor control and power distribution systems using TeSys VARIO V3 or V4 isolating switches.
• AC and DC switchgear assemblies in manufacturing or process automation environments.

Compliant with IEC 60947-3. Part of the Schneider Electric TeSys VARIO range.

Also known as: Schneider VZ12, Schneider Electric VZ12, VARIO neutral block, TeSys VARIO additional neutral pole.