The switches in the system ZR-W are designed for:
- Electricity distribution at all levels
- Control and protection of electrical equipment against short circuits and overloads
Main uses:
- Main switches
- Sub-distribution boards
- Control cabinets
Recommended industrial fields:
Heavy industry:
- Mine
- Steel plants
- Coking plants
Light industry:
- Papermaking
- Textile
- Household appliances
Other industries:
- Chemical/petrochemical
- pharmaceutics
- Power and cogeneration plants
Infrastructure:
- Date center
- Airports
- Office buildings
- Shopping centers
- HOSPITALS
Electrical data:
- Rated insulation voltage:
- 690 V / 1000 V / 1500 V AC, up to 1500 V DC
- Nominal connection voltage:
- 400 V / 500 V / 690 V / 1000 V AC, up to 1200V DC
- Test impulse withstand voltage: 8 kV
- Nominal frequency: 50 Hz
- Nominal current of the switchboard: from 1000A to 6300A
- Rated short-circuit current (1s): up to 105 kA
- Peak current: up to 231 kA
- Internal arc resistance: 105kA/1s
Mechanical data:
- Width: between 400 mm and 1200 mm
- Height: 1900 mm / 2200 mm
- Depth: 600 mm, 800 mm or 1000 mm
- IP protection degree: from IP20 up to IP54
- Mechanical protection degree IK: up to IK10
- Compartment shape (depending on the type of cabinet): from 2A up to 4B
Surface protection:
- Frame: galvanized sheet metal 2.5 mm
- Doors / lids: painted sheet metal 1.5 mm / 2 mm
- Front panels: painted sheet metal 1.5 mm
- Standard painting: RAL 7035 (other colors on request)
Plastic components:
- Halogen-free
- Self-extinguishing
- Fire resistant
- CFC-free
Operating conditions:
- Ambient temperature:
- Minimum: -5°C (or -25°C in special version)
- Maxim: +40°C
- Daily average (24h): between -5°C and +35°C
- Relative humidity: up to 50% at 40°C
- Installation altitude: up to 1000 m above sea level
- Installation atmosphere: free of conductive dust or aggressive chemicals
The ZR-W system offers reliability, safety and versatility in the most demanding industrial and infrastructure conditions.