Trade Discount 25%
Surge Protection Device Type 2 40kA 440V 3P+N NU6 Chint
Chint NU6 Type 2 surge protection device features 40kA Imax, 440V Uc, 3P+N to IEC/EN 61643-11. Ideal for switchboard lightning and overvoltage protection.
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Alternatively Known As: CHINT NU6-IIG SPD, Type 2 Surge Diverter, Three-Phase Surge Protective Device, 3P+N Surge Arrester
Technical Specifications
- Product Type: Type 2 surge protective device, Test Class II
- Maximum Discharge Current Imax: 40kA at 8/20µs
- Nominal Discharge Current In: 20kA at 8/20µs
- Maximum Continuous Operating Voltage Uc: 440V AC
- Rated System Voltage: 230/400V AC, 50/60Hz
- Voltage Protection Level Up: 2.0kV
- Pole Configuration: 3P+N
- Auxiliary Contact: Not fitted
- Protection Modes: L-N and N-PE
- Compatible Earthing Systems: TN-S, TN-C, TT and IT, subject to the selected connection arrangement
- Installation: TH35-7.5 DIN rail mounting
- Enclosure Protection: IP20
- Operating Temperature: -5°C to +40°C
- Maximum Installation Altitude: 2000m
- Main Terminal Cable Size: 2.5mm² to 25mm² copper conductor
- Standards: IEC/EN 61643-11
- Dimensions (H x L x W): 89.5mm x 72mm x 67.7mm
- Weight: 0.9 kg
Key Features
- Protects low-voltage electrical systems and connected equipment from lightning-induced and switching transient overvoltages
- Suitable for three-phase, four-wire systems with neutral protection
- Modular construction with removable surge protection modules
- Visual status indication identifies a degraded module requiring replacement
- Replaceable protection modules simplify maintenance and reduce downtime
- Designed for residential, commercial and industrial switchboards
- Compact DIN rail format for switchboard and distribution-board installation
Professional Installation Requirements
- Installation must be carried out by a licensed electrician in accordance with AS/NZS 3000:2018, the manufacturer's instructions and applicable local electrical requirements. Provide suitable upstream overcurrent protection and ensure connection conductors are short, direct and correctly sized.
Applications
- Main switchboards and distribution boards
- Three-phase commercial electrical installations
- Industrial control panels and power distribution systems
- Residential switchboards with three-phase supply
- Protection of sensitive electrical and electronic equipment from transient overvoltage
Standards & Compliance
- AS/NZS 3000:2018 for selection and installation of surge protective devices in electrical installations
- AS/NZS 1768:2021 for lightning protection risk assessment and surge protection application guidance
Environmental Benefits
- Helps extend the service life of connected electrical and electronic equipment, reducing premature replacement waste
- Replaceable modular protection units can reduce waste compared with replacing the complete device
- RoHS declarations are available for the NU6-IIG product family
- Supports improved equipment reliability in electrical systems exposed to transient surges
Warranty Information
CHINT warranty documentation specifies 36 months from the production date for the NU6-I+II surge protective device range when correctly stored, transported and used. Warranty coverage is subject to authorised sales channels, proper installation and the applicable sales agreement.
Available Now
Available through authorised CHINT distributors in Australia.
