DEHN DPA M CLD RJ45B 48 Surge Arrester DEHNpatch with 2 RJ45 Jacks

In a network operations center, a server room, or an industrial Ethernet installation, the DEHN DPA M CLD RJ45B 48 surge arrester stands guard over your critical data lines. This compact protector, part of the DEHNpatch series, is engineered to shield 10 Gigabit Ethernet equipment from damaging voltage surges, ensuring uninterrupted connectivity and protecting your investment.

Key specifications

• Application: Ethernet networks, Power over Ethernet (PoE)
• Network Speed: Up to 10 Gigabit Ethernet (10GBase-T)
• PoE Compatibility: PoE, PoE+, 4PPoE (IEEE 802.3af/at/bt)
• Nominal Voltage (DC): 48 V DC
• Max. Continuous Operating Voltage (DC): 57 V DC
• Nominal Discharge Current (In): 1 kA (8/20 µs) per line
• Max. Discharge Current (Imax): 2.5 kA (8/20 µs) per line
• Voltage Protection Level (Up) Line-Line: < 600 V
• Voltage Protection Level (Up) Line-Earth: < 600 V
• Frequency Range: Up to 1000 MHz
• Connection Type: 2 x RJ45 jacks (shielded)
• Protected Pairs: All 4 pairs (8 wires)
• Mounting Type: DIN rail (TS 35) or wall mounting
• Housing Material: Plastic (polyamide)
• Operating Temperature: -40 °C to +80 °C
• Degree of Protection: IP20
• Standards Compliance: IEC 61643-21, EN 61643-21
• Grounding: Via DIN rail or separate ground terminal

Why choose it

DEHN is a trusted name in surge protection, and this model reflects that expertise. With support for all four pairs and compatibility with the latest PoE standards, it offers comprehensive protection without compromising data speed. Its compact design allows for flexible mounting on a DIN rail or wall, making it suitable for various installations.

Ideal use cases

• Protecting network switches, routers, and IP cameras in commercial or industrial settings
• Securing PoE-powered devices such as access points and VoIP phones
• Integrating into new or existing structured cabling systems to meet surge protection requirements

Good to know

The arrester is designed for indoor use (IP20) and operates reliably across a wide temperature range. It is grounded via the DIN rail or a separate ground terminal, ensuring effective surge diversion. For optimal protection, install this device at the entrance of the network cable into the protected area.