CHINT NU6-I+II Surge Protective Device

Combined Type 1+2 AC surge protection with replaceable modules for distribution panels.

Type 1+2 · ACProduct range

Type 1+2 AC surge protection
Replaceable cartridges
Optional remote indication

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THE DETAILS

About this equipment

Sunlight can review the circuit design, fault level and required accessories before identifying the exact part number in your quotation. Ratings shown describe a range; not every combination is offered. This AC SPD must not be substituted for a PV-rated DC SPD.

Specifications & selection details

CHINT NU6-I+II Surge Protective Device details
Series	NU6-I+II
Device category	Surge protective device; not an overload circuit breaker
Standard	IEC/EN 61643-11
Supply applications	230V single phase / 400V three phase AC, 50/60Hz
Uc variants	275V, 385V or 255V, depending on protection path/model
Impulse current Iimp	12.5kA L–PE; N–PE values vary by configuration
Protection modes	L–PE, N–PE and L–N, depending on model
Modules	Pluggable / replaceable
Fault indication	Visual; optional remote alarm on suitable variants
Mounting	TH35-7.5 DIN rail
Coordination	Earthing arrangement and backup protective device require design verification

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Manufacturer information checked 3 November 2026. Model and regional variants may differ. Your written quotation identifies the equipment offered, with its applicable datasheet and terms.

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CHINT NU6-I+II Surge Protective Device

About this equipment

Specifications & selection details