What is the maximum continuous operating voltage?

The max continuous operating voltage is 420V, with a protection level of 1.8kV.

Is this suitable for AC/DC systems?

Yes, it is suitable for AC/DC systems and can be used for Type 2 protection in TT, IT, and TN power supply systems.

Surge Protective Device 20ka 30ka Surge Protector Quick Wiring SPD

Name: Surge Protective Device 20ka 30ka Surge Protector Quick Wiring SPD
Brand: Shanghai Huakun Electrical Company Ltd.
SKU: 2049643945

Shanghai, ChinaShanghai Huakun Electrical Company Ltd.

US$5.60-22.34

1 Piece

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Type

Power Source Arrester

Structure

Protective Gap

Model NO.

SPD-20T-05

Installation

Parallel Arrester

Application

AC/DC System

Size

Small

Operation Voltage

Low Voltage

Shape

Cuboid

Material

Certification

ROHS, ISO9001, CCC, CE

Brand

Huakun

Max. Continuous Operating Voltagemcov

420V~

Nominal Discharge Current in

10ka

Max. Discharge Current Imax

20ka

Protection Level up

1.8kv

Protection Type

Type2

Tov

1200V

Response Time

25ns

Follow Current Interrupt Rating

300A

Back up Fuse

Lt-SSD15X

Connection

by Screw Terminals: 6-35mm^2

Terminal Screw Torque

2.5nm

Insert Wire Length

15mm

Mounting

DIN Rail 35mm(En60715)

Degree of Protection

IP20

Housing

PBT

Transport Package

Carton Box

Specification

72*90*68mm

Trademark

Huakun

Origin

Shanghai, China

HS Code

85363000

Production Capacity

500000

Key features

Fast Response Time: Utilizes high-efficiency varistor nano-alloy graphite material for rapid response under 25ns.

Remote Monitoring: Equipped with remote communication alarm contacts for convenient monitoring of protector status.

Auto Failure Disconnect: Features a failure release device that automatically disconnects the unit if overheated or broken.

Standard DIN Rail Mount: Designed for easy installation on standard 35mm DIN rails with simple maintenance requirements.

High Surge Capacity: Supports 20kA nominal and 40kA max discharge current with 80kA special backup protector capacity.

Wide Operating Voltage: Max continuous operating voltage reaches 420V with a protection level of 1.8kV.

Versatile System Compatibility: Suitable for TT, IT, TN power supply systems and AC/DC applications for Type 2 protection.

Company profile

Shanghai Huakun Electrical Company Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2020-10-08 CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanghai Huakun Electrical Company Ltd. is a China-based limited-company factory established in 2003, operating in Shanghai’s electrical and electronics manufacturing sector. The supplier reports 376 employees, an approximately 7,000 m² manufacturing plant, eight production lines, 35 years of combined R&D-engineer experience, and 21–30 quality-control staff. It holds ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications. Its stated products include Static Var Generators, Active Power Filters, Advanced Static Var Generators, and Active Harmonic Filters, with a focus on power electronics, intelligent power systems, and smart-grid applications. Production lead time is stated as within 15 workdays in both off-peak and peak seasons. Evidence is insufficient to assess after-sales service, financial credibility, customization capability, or customer cases.

Supplier typeThe supplier is identified as a limited company and a factory in Shanghai’s manufacturing sector, with electrical and electronics as its stated commercial trade area. Its company descriptions characterize it as a national high-tech and software enterprise focused on power electronics and integrated solutions.

CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates, covering quality, environmental, and occupational-health-and-safety management. These stated certifications provide explicit evidence of formal management-system credentials.

R&D capabilityThe supplier states that it focuses on power electronics and integrated solutions, aims to develop accurate, stable, and environmentally friendly energy-saving devices and intelligent power systems, and reports 35 years of total R&D-engineer experience. Its listed advanced power-quality products further support an innovation-oriented technical focus.

Production capacityThe supplier reports a 7,000 m² manufacturing plant, eight production lines, and 376 employees, with lead times stated as within 15 workdays during both off-peak and peak seasons. It also reports 21–30 quality-control staff, indicating established production and quality resources.

Product Q&A

Q:What is the response time of this surge protector?

The device features a fast response time of less than 25 nanoseconds, utilizing high-efficiency varistor nano-alloy graphite material.

Q:How does the failure indication work?

It includes a failure release device that automatically disconnects the unit if it overheats or breaks down. A red window signal indicates failure, while green indicates normal status.

Q:Can I monitor the protector's status remotely?

Yes, it is equipped with remote communication alarm contacts (normally open and normally closed) to allow for convenient remote monitoring of the installed state.

Q:What is the maximum discharge current capacity?

The nominal discharge current is 20kA, and the maximum discharge current is 40kA. It also supports an 80kA special backup protector.

Q:What installation method is supported?

The device is designed for standard 35mm DIN rail installation, ensuring easy installation and simple maintenance.