Finder 1 Phase Surge Arrester, 40kA

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RS Stock No.:
223-7775
Mfr. Part No.:
7P.27.8.275.1020
Brand:
Finder
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Brand

Finder

Maximum Surge Current

40kA

Range

7P SERIES

Series

7P

Electrical Phase

1

Impulse Discharge Current

20kA

Finder Series 7P Surge Arrester, 40 kA Maximum Surge Current, 250/30V AC/DC Voltage - 7P.27.8.275.1020


This surge arrester is expertly designed to safeguard electrical systems against voltage surges and transients. With a robust voltage protection rating of 250/30V, this device can withstand a maximum surge current of 40 kA, ensuring reliable performance in a wide temperature range from -40°C to +80°C.

Features & Benefits


• High discharge capability eliminates following current
• Operates efficiently in single-phase systems
• Very low residual voltage protects sensitive equipment
• Remote status signalling for quick fault detection
• Easy installation with replaceable modules
• Dual screw terminals accommodate secure connections

Applications


• Used for electrical distribution boards
• Ideal for control panels and street lighting
• Applicable in tunnel lighting installations
• Utilised in lifts and elevator systems

How does this device protect my electrical systems?


It effectively clamps surge voltages, diverting excess energy to the earth, thereby safeguarding connected equipment from damage.

What makes this surge arrester reliable for various applications?


The dual protection system of a varistor and spark gap ensures high insulation resistance and eliminates leakage current, maintaining system integrity.

Can it operate in extreme temperatures?


Yes, its operational temperature range of -40°C to +80°C makes it suitable for diverse environmental conditions.

How is the maintenance of this surge arrester managed?


The device features replaceable modules, allowing for easy maintenance without the need for full unit replacement.

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