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NU6-IIG Surge Protective Device

NU6-II-GF-100-440-2P-SPD-2

NU6-II-GF-100-440-2P-SPD-Front-5

NU6-II-GF-100-440-4P-SPD-2

NU6-II-GF-100-440-4P-SPD-Front-5

NU6-II-GF-100-440-6P-SPD-2

NU6-II-GF-100-440-6P-SPD-Front-5

NU6-II-GF-100-440-8P-SPD-2

NU6-II-GF-100-440-8P-SPD-Front-5

NU6-II-GF-100-440-2P-SPD-2

NU6-II-GF-100-440-2P-SPD-Front-5

NU6-II-GF-100-440-4P-SPD-2

NU6-II-GF-100-440-4P-SPD-Front-5

NU6-II-GF-100-440-6P-SPD-2

NU6-II-GF-100-440-6P-SPD-Front-5

NU6-II-GF-100-440-8P-SPD-2

NU6-II-GF-100-440-8P-SPD-Front-5

NU6-IIG Surge Protective Device

The NU6-IIG Surge Protective Device (SPD) offers essential protection against transient overvoltages, safeguarding sensitive electrical and electronic equipment. It simplifies installation by managing voltage following current, diverting surge energy with a high discharge capacity and low residual voltage. Featuring a visual fault indicator and replaceable modules, this device ensures system reliability and extends equipment lifespan across residential, commercial, and industrial power distribution systems.

Product Information

Compliant Standards and Certifications

IEC/EN 61643-11

Main Specifications

Poles: 1, 2, 3, 4, 1P+N, 3P+N
Electric Ratings: 230/400V, AC 50/60Hz
Max. Continuous Operational Voltage (Uc): 255V, 275V, 320V, 385V, 440V
Level of Protection (Up): 1.5kV to 2.4kV
Maximum Discharge Current (Imax) (8/20μs): 40kA, 65kA, 100kA
Nominal Discharge Current (In) (8/20μs): 20kA, 30kA, 50kA

Name

Size

Release time

Operate

NU6-IIG-SPD-Catalog.pdf

1.25MB

2025-12-15

Download

Name

Size

Release time

Operate

2305-NU6-IIG-SPD-Manual.pdf

549.71KB

2024-09-22

Download

Name

Size

Release time

Operate

2302-NU6-ⅡG-SPD-CE Certificate.pdf

2.67MB

2024-09-22

Download

2206-NU6-ⅡG-SPD-CE Certificate.pdf

1.41MB

2024-09-22

Download

2206-NU6-II-SPD-Zertifikat Certificate.pdf

1.45MB

2024-09-22

Download

2206-NU6-II G-SPD-TUV Certificate.pdf

1.43MB

2024-09-22

Download

2112-NU6-ⅡG-SPD-RCC Certificate.pdf

425.5KB

2024-09-22

Download

2004-NU6-ⅡG-SPD-CE RoHS Declaration Certificate.pdf

628KB

2024-09-22

Download

1906-NU6-ⅡG-SPD-CB Certificate.pdf

4.66MB

2024-09-22

Download

Name

Size

Release time

Operate

NU6-IIG-1P-N-SPD-Drawing.stp

8.1MB

2024-09-22

Download

NU6-ⅡG-40-65-3P-SPD-Drawing.stp

13.1MB

2024-09-22

Download

NU6-IIG-2P-SPD-Drawing.stp

8.13MB

2024-09-22

Download

NU6-IIG-1P-SPD-Drawing.stp

2024-09-22

Download

NU6-ⅡG-40-65-4P-SPD-Drawing.stp

2024-09-22

Download

NU6-ⅡG-40-65-3P-N-SPD-Drawing.stp

2024-09-22

Download

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FAQs

What is the purpose of the NU6-IIG Surge Protective Device?

It safeguards electrical systems and connected equipment from lightning strikes and transient overvoltage surges, ensuring uninterrupted power and equipment longevity.

How does the NU6-IIG indicate when maintenance is needed?

The built-in visual indicator signals when a protection module is damaged. The faulty module can be replaced instantly without disconnecting power.

Can the NU6-IIG be used in different grounding systems?

Yes. It supports TN-S, TN-C, TT, and IT grounding configurations, making it suitable for various electrical environments and distribution networks.

What are the available discharge capacities?

The NU6-IIG comes in 40kA, 65kA, and 100kA versions, allowing users to choose protection levels based on lightning exposure and installation requirements.

Does the NU6-IIG support remote monitoring?

Yes, the “/F” version includes an auxiliary contact (1NO+1NC) for remote signaling and monitoring, enabling integration into intelligent power management systems.