Catégory D1 /C1 /C2 /C3 surge protection unit MJ8-POE series

for data and telecommunication linesEthernet networkfor Cat 5/Cat 6 networks

Description
The MJ8-POE-A is a surge protector designed to safeguard data-processing equipment connected to PoE++ (Power over Ethernet) networks from transient overvoltages. It is intended for signal network applications at 100 Mbps and 1 Gbps and is housed in a metallic shielded enclosure with shielded RJ45 female input/output connectors.

Features

• PoE++ compatible (IEEE 802.3bt)
• 1 Gbps up to 100 m with Cat5E S/FTP cabling
• Shielded RJ45 connectors
• Indoor use, IP20 (NEMA 2)
• Metallic enclosure
• Conforms to IEC/EN 61643-21
• SPD categories D1, C3, C2, C1

Electrical Properties
Network: 1 Gb/s on Cat5E S/FTP cabling
Protection modes (network): CM / DM
Protection modes (PoE): CM (common mode)
Transmission standard: IEEE 802.3bt
Lightning Protection Zones (LPZ): 0 - 3
Max. DC operating voltage (Uc): 60 Vdc
Max. operating voltage (PoE) (Uc): 60 Vdc
Max. frequency in the channel (f max.): 100 MHz
Max. data rate: 1 Gbps
Max. load current @25°C (IL): 2 A
Max. PoE power (4PPOE): 100 W
Nominal discharge current In (C1 1.2/50µs / 8/20µs, Line/Line): 100 V / 50 A
Nominal discharge current In (C2 1.2/50µs / 8/20µs, Line/Earth): 4 kV / 2 kA
Max. discharge current Imax (8/20 µs, Line/Earth): 2 kA
Max. discharge current Imax Total (8X-C to Earth): 16 kA
Protection level Up (C3 10/1000µs, 300 applications @10 A, Line/Line): 80 V
Protection level Up (C3 10/1000µs, 300 applications @10 A, Line/Earth): 700 V
Protection level Up (C3 10/1000µs, 300 applications @10 A, Pair-Pair, PoE): 700 V
Impulse current Iimp Total (D1 10/350µs, 2 applications, 8X-C): 500 A
Line resistance (± 10%): ~ 0 ohms
Capacitance @1MHz, Line/Earth: < 5 pF

Mechanical Properties
Technology: GDT + TVS (SAD) diodes
SPD configuration: 8 wires + shield
Network connection: Shielded RJ45 female input/output
Format: Metallic box with input/output connectors
Mounting: DIN rail / Wall / Plate
Accessories provided: Screw, washer, cable shoe, earthing plate, DIN rail adapter
Housing material: Metallic
Operating temperature: -40 / +85 °C
Ingress Protection rating: IP20 (NEMA 2)
Failsafe mode: Transmission cut-off - Fault mode 2 (short-circuit)
Disconnection indicator: Transmission interrupt - default mode 2
Pinout: (1-2)(3-6)(4-5)(7-8)
Dimensions: See product diagram
Weight: 0.12 kg / 0.26 lbs

Standards / Certifications
Standards compliance: IEC 61643-21 / EN 61643-21 / UL497 B / IEEE 802.3af/3at/3bt
UL Category: QVGQ - Isolated Loop Circuit Protectors
Certification: UL listed

Technical specifications

• Model: MJ8-POE-A
• Part Number: 581519
• Transmission standard: IEEE 802.3bt
• Max. data rate: 1 Gbps
• Max. PoE power (4PPOE): 100 W
• Max. DC operating voltage (Uc): 60 Vdc
• Max. frequency in the channel: 100 MHz
• Max. load current @25°C: 2 A
• Nominal discharge currents: see electrical properties (In / Imax values)
• Protection levels (Up): 80 V (Line/Line), 700 V (Line/Earth and PoE pair)
• Impulse current (Iimp Total D1): 500 A
• Capacitance: < 5 pF (@1MHz)
• Line resistance: ~ 0 ohms
• Housing: Metallic
• Ingress Protection: IP20 (NEMA 2)
• Operating temperature: -40 / +85 °C
• Weight: 0.12 kg
• Connection: Shielded RJ45 female input/output
• Mounting options: DIN rail, wall, plate
• Technology: GDT + TVS (SAD) diodes
• SPD configuration: 8 wires + shielded