Type 1+2 DC Surge Protection Devices

G30-B+C/25-50/100 Type1+2 Surge Protective Devices

The G30-B+C/25-50/100 Type 1+2 surge protective device provides reliable lightning and surge protection for electrical distribution systems, combining Type 1 and Type 2 SPD functions in a single compact DIN rail module.

Product Features

The G30-B+C series SPD is a combined Type 1 and Type 2 surge protective device designed for use in electrical distribution and lightning protection systems. It integrates high-capacity discharge performance (25–100kA) with a modular replaceable cartridge design. The SPD features low residual voltage, fast response time, and visual status indication, ensuring safety and long-term reliability under harsh conditions. Its flame-retardant thermoplastic housing and DIN rail mounting make it suitable for industrial and commercial environments.

Technical Parameters

  • Nominal discharge current (In): 25–100kA (8/20μs)
  • Maximum discharge current (Imax): up to 100kA (10/350μs)
  • Maximum continuous operating voltage (Uc): 385V AC
  • Voltage protection level (Up): ≤2.0kV
  • Mounting type: 35mm DIN rail
  • Operating temperature: –40°C to +80°C
  • Housing material: Flame-retardant thermoplastic (UL94-V0)
  • Indication: Visual fault window with optional remote signaling
ParameterSpecification
Product SeriesG30-B+C/25-50/100
TypeType 1+2 Surge Protective Devices
Max Continuous Operating Voltage (Uc)280V, 320V, 385V, 440V, 600V
Nominal Discharge Current (In)25kA
Max Discharge Current (Imax)50kA (for 25kA nominal), 100kA (for 50kA nominal)
Lightning Impulse Current (Iimp)15kA
Voltage Protection Level (Up)1.5kV – 2.0kV
Response Time25ns
Operating Temperature Range-40°C to +80°C
Installation35mm DIN rail according to EN 60715
Degree of ProtectionIP20
CertificationsTUV, CB, CE, RoHS, CQC
Additional FeaturesHigh-energy surge protection, failure alarm prompt, pluggable design, easy replacement without system interruption
DimensionsApprox. 90mm × 72mm × 46mm
WeightVaries by model; roughly 120g to 500g

Application

The G30-B+C/25-50/100 Type 1+2 SPD is suitable for main power distribution panels, industrial automation systems, telecommunication base stations, and renewable energy networks. It is ideal for installations that require both direct lightning strike and transient surge protection, providing comprehensive defense for electrical infrastructure and equipment.

Why Choose Us

We are a professional SPD manufacturer and exporter with over a decade of experience serving global markets. Our surge protection devices comply with IEC 61643-11, EN 61643, and CE standards, ensuring superior performance and reliability. We provide competitive pricing, fast delivery, and OEM/ODM customization services to meet your market needs. Trusted by distributors and installers worldwide for quality and long-term partnership.

FAQ

What surge currents can the G30-B+C series handle?

The surge current capacity ranges from 15kA to 100kA per module, providing high-energy surge protection suitable for critical power systems.

What standards does the G30-B+C series comply with?

It meets EN 61643-11 and IEC 61643-11 standards for Type 1+2 surge protective devices, ensuring high reliability and safety.

How fast is the response time?

The device responds within 25 nanoseconds, effectively protecting connected equipment from transient surges.

What are the maximum continuous operating voltages of these devices?

They support continuous voltage levels ranging from 150V up to 600V, adaptable to various low-voltage power systems.

How is the operational status indicated?

Visual indicators show green for normal condition and red when a fault occurs, facilitating easy maintenance decisions.

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