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BG (G) 25.1501P25

BG (G) 25.1501P25 Surge Arrester

The BG (G) 25.1501P25 surge arrester series provides advanced surge protection. The surge arrester provides easy installation with a maximum nominal discharge phase 100kA, neutral 200kA.

  • Class I+II
  • Rated voltage up to 600 Vac
  • Application from 1 to 4 poles
  • Visual and remote contact indicator
  • DIN rail mounting

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This device is designed for maximum discharge of L‐N 100 kA and N‐PE 200 kA, meets the UL 1449 3rd edition and IEC61643‐11:2011 Standards, and includes a visual and remote contact indicator.

UL Recognised, CE Marked

Typical Applications

  • Electrical panel protection

Refer to manufacturer’s datasheet for full technical information.

UL Recognised




UL Recognised

Operating Temperature

-40° C to + 80°C

Operating Humidity Range

0 – 90%

Response Time L-N (N-PE)

≤25 ns (<100ns)

Backup Fuse

250 Amps gL/gG

Flow Current L-N

If ≥10 kARms @ 255 Vac

Flow Current N-PE

If 100 Arms @ 255 Vac

Enclosure Material

Thermoplastic, UL94 V‐0


35mm DIN rail according to the EN50022/DIN46277-3 Standard

Nominal Voltage Vac L-L (L-N)


Nominal Discharge (In, KA) 8/20 L-N


Max Discharge Current (Imax, KA) L-N


Voltage Protection Rated (kV) LN@In


The Enerdoor Group is the industry’s international leader in the development and production of Electromagnetic Solutions for automated and industrial machinery.  Enerdoor provides a wide array of solutions for protection of machinery and equipment, CE approval and testing and elimination of noise, improved reliability and reduced downtime. The Enerdoor Group consists of: Eichhoff Elektro, FinMotor and FinLab which all sit under the parent company.

Renowned for it’s high quality and innovative solutions, Enerdoor manufactures an extensive range of EMI filters, RFI filters, motor protection, harmonic filters, line reactors, surge arresters, voltage stabilisers and customised solutions from their Head Offices in North America and Europe.

Enerdoor supply single phase, three phase and surge protection filters designed to reduce conducted electrical interference in control cabinets. Enerdoor has EMC laboratories in the United States, Germany and Switzerland.

Eichhoff’s manufacturing plant is based in Hungary and strongly focuses on product development and EMC measurement. Eichhoff Elektro has over 40 years experience in safety transformers and electronic ignition systems. They manufacture a wide range of: RFI Filters, Sinus Filters, Reactors, Transformers, PCB Transformers and Ignition Systems.

FinMotor’s manufacturing plant and EMC laboratory is based in Italy. FinMotor manufactures Enerdoor’s EMC Filters, High Frequency inductance and Harmonic Filters for the medical and military markets. They manufacture a wide range of RFI Filters, Passive Harmonic Filters, High Current Sinus Filters, High Frequency Impedances, Motor Protection and Snubbers.

FinLab’s laboratory is based in Milan and focuses on EMC measurement (certification, analysis, solutions and training), harmonic measurement (analysis, solutions and training), acoustic measurement, technical construction file and vibration measurements carried out in their anechoic room and mobile laboratories.


Enerdoor is part of The Enerdoor Group which consists of Enerdoor in North America and Europe; Finmotor and Finlab in Italy; and Eichhoff Elektro in Hungary.

The group is an international leader in the development and production of electromagnetic solutions for automated and industrial machinery.

The broad range of products include: EMI/RFI filters, motor protection, harmonic filters, line reactors, surge arresters, voltage stabilisers and customised solutions.

Learn more about Enerdoor products by getting in touch with GD Rectifiers.




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