NFT30459/2 Surge Protection Device
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NFT30459/2 Ericsson – Surge Protection Device
Product Overview
The Ericsson NFT30459/2 is a single-pole over-voltage arrester module designed for surge protection in telecom and industrial installations. This device is to protect DC-powered telecommunication equipment and infrastructure from voltage surges and transient spikes. It is compatible with telecom power distribution systems operating at −48 V DC, common in base-station, radio site and network cabinet environments.
Technical Specification Highlights NFT 304 59/2
• Part number: NFT30459/2.
• System voltage: nominal −48 V DC.
• Module type: over-voltage arrester / surge protection module, single pole.
• Category: panel accessory – surge arrester/suppressor.
• Compact, lightweight design with a weight of approximately 0.22 kg.
• Manufactured to meet surge protection requirements for telecom infrastructure.
Applications NFT 304 59/2
–48 V DC protection for Remote Radio Units (RRUs)
Overvoltage protection for macro and rooftop base stations
Power distribution protection inside telecom cabinets
Legacy network maintenance and spare-parts replacement
Sites exposed to lightning, unstable grid supply or high surge activity
Benefits for Network Operators
Prevents costly damage to sensitive radio equipment
Enhances infrastructure uptime and operational stability
Easy to integrate into existing Ericsson –48 V systems
Ideal for both new installations and legacy network upgrades
Trusted component with a long history of field-proven reliability
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