40kA 1000V 1500V DC Surge Arrestor 40kA 1000V 1500V DC Surge Arrestor
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40kA 1000V 1500V DC Surge Arrestor 40kA 1000V 1500V DC Surge Arrestor
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40kA 1000V 1500V DC Surge Arrestor
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160kA Type 1+2 Surge Protective Device w/ Alarm
160kA Type 1+2 Surge Protective Device w/ Alarm

40kA 1000V 1500V DC Surge Arrestor

Type:T2
Brand Name:Newtrend
Place of Origin:China
Model Number:SNT2-C40
Rated Voltage:500V 1000V 1200V 1500V DC
Max Discharge current:40 A
Number of Pole
Nominal Discharge current
SKU: 1600472029554 Category: DC SPD
  • Description
  • Additional information
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

SPD Surge Arrester device 2P 20kA 40kA 500V 1000V 1200V 1500V DC Photovoltaic Lightning PV Solar Surge Arrestor

 

Application:

SNT2-C40 series solar DC Surge protective device is suitable for the new energy solar power generation system, it’s working voltage covers 500Vdc, 800Vdc, 1000Vdc, 1200Vdc, 1500Vdc. It is installed in the main power at DC circuit, to protect against indirect lightning current, direct lightning current or other instantaneous over voltage.

 

 – Plug in/out syle surge protective device

 – The color of visible windows shows operating status

 – Double protection of over-heat and over-current

 – Have the accessor of remote signalling interface, could be remote controlled.

 

Technical Specifications:

Model SNT2-C40-800VDC SNT2-C40-1000VDC SNT2-C40-1200VDC SNT2-C40-1500VDC
Rated Voltage Uc 800V DC 1000V DC 1200V DC 1500V DC
Pole 2 Pole 2 Pole 3 Pole 2 Pole 2 Pole
Type Type 2 (EN61643-11), Class II (IEC61643-1),, Class C (VDE0675-6)
Nominal discharge current (8/20µs) In 20 kA
Max discharge current (8/20µs) Imax 40 kA
Voltage protection level Up ≤ 1.8 kV
Response time < 25 ns
Working temperature ‘-40°C ~ +85°C

 

Additional information
Weight 2 kg
Dimensions 25 × 25 × 25 cm
Number of Pole

2

Nominal Discharge current

20

color

Red

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for 40kA 1000V 1500V DC Surge Arrestor.

📥
Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
Request Official Datasheet (PDF)
📐
2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Request CAD Model
Certified Standards: IEC 60898-1, IEC 60947-2, CE, RoHS, ISO 9001:2015
Manufacturer: Shanghai Newtrend Electric Co., Ltd. (Global Export Compliance)
Engineering Support: 24-hour response for custom voltage ratings, auxiliary contacts, and technical consulting.
Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

Voltage & Load Sizing

How to verify rated operational voltage, frequency, and load duty cycle?

A

Verify that the nominal line voltage (AC 230V single-phase or 400V/415V/690V three-phase at 50/60Hz, or DC voltage ratings) falls within the continuous maximum operating limits of the device. Check duty cycle ratings (continuous vs intermittent duty) to ensure thermal stability under full load.

Protection & Environment

What ingress protection (IP Rating) and environmental enclosures are recommended?

A

For clean indoor electrical rooms, standard IP20 modular DIN-rail housings are recommended. For outdoor, industrial washdown, or dusty environments, mount components inside weatherproof enclosures rated IP65/IP66 with UV-resistant polycarbonate or powder-coated steel enclosures equipped with compression cable glands.

Selectivity & Grading

How to ensure upstream and downstream coordination in power distribution boards?

A

Ensure proper discrimination by grading current thresholds and tripping time delays: upstream devices should have higher current ratings and intentional short-time delays (Class S), allowing downstream branch MCBs to clear localized faults without blacking out the entire facility.

Installation & Mounting

What mounting rails, busbars, and spatial clearances are required?

A

Components mount on standard symmetrical 35mm DIN rail (EN 60715 / TH35-7.5) or backplate screw fixings. Maintain recommended top/bottom ventilation gaps (typically 30–50mm) to ensure unrestricted air convection, and use standard pin/fork comb busbars to minimize contact resistance and wiring errors.

Conductor & Torque Sizing

What conductor sizes and terminal tightening torques should be applied?

A

Select copper or aluminum conductor cross-sections complying with IEC 60364-5-52 current-carrying capacity tables based on continuous load. Always use a calibrated torque screwdriver or torque wrench to tighten terminal screws to the manufacturer-specified torque to prevent hot-spot degradation and loose connections.

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40kA 1000V 1500V DC Surge Protector

40kA 1000V 1500V DC Surge Protector

Type:T2
Brand Name:Newtrend
Place of Origin:China
Model Number:YJ1-C40
Rated Voltage:500V 600V 800V 1000V 1500V DC
Max Discharge current:40 A
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