Surge protector for POE ++ and Category 5E cabling network
Part Number: 581519
MJ8-POE-A
- POE++ Compatible (IEEE 802.3bt)
- 1Gb (5-100m) with Cat5E S/FTP cabling
- Shielded RJ45 connectors
- Indoor applications, IP20 (NEMA 2)
- Metallic enclosure
- Conforms to IEC/EN 61643-21
- SPD categories D1, C3, C2, C1
- 16kA total surge discharge capability
The MJ8-POE is designed to protect sensitive data-processing equipment connected to a POE++ (Power over Ethernet) network from transient overvoltages.
The MJ8-POE surge protector is deployed in signal network applications with data transmission speeds of 100 and 1000 Mbps.
The surge protector is housed in a shielded enclosure with high quality RJ45 shielded jacks.
The transient protection circuit is based on high energy gas discharge tubes (GDT) and a network of fast response silicon avalanche diodes (SAD) to achieve sharp clamping of very large surge events.
Certificates
Datasheet
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Network
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1Gb/s on Cat5E S/FTP cabling |
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Protection modes (network)
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CM / DM |
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Protection modes (POE)
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CM (Common Mode) |
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Transmission standard
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IEEE 802.3bt |
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Lightning Protection Zones (LPZ)
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0 - 3 |
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Max. operating voltage (DATA)
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Uc | 60 Vdc |
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Max. operating voltage (POE)
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Uc | 60 Vdc |
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Max. frequency, in the channel
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f max. | 100 MHz |
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Max. data rate
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1 Gbps |
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Max. load current @25°C
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IL | 2 A |
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Max. POE power (4PPOE)
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100 W |
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Nominal discharge current
C1 (1.2/50us / 8/20µs), 300 applications X-X (Line/Line)
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In | 100V / 50A |
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Nominal discharge current
C2 (1.2/50us / 8/20µs), 10 applications X-C (Line/Earth)
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In | 4 kV / 2 kA |
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Max. discharge current
max. withstand @ 8/20 µs, X-C (Line/Earth)
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Imax | 2 kA |
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Max. discharge current
max. withstand @ 8/20 µs, 8X-C (1&2+3&6+4&5+7&8 to Earth)
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Imax Total | 16 kA |
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Protection Level
C3 (10/1000μs), 300 applications@10 A, Y-Y (Line/Line)
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Up | 80 V |
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Protection Level
C3 (10/1000μs), 300 applications@10 A, Y-C (Line/Earth)
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Up | 700 V |
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Protection Level
C3 (10/1000µs), 300 applications @ 10A, (Pair-Pair, POE)
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Up | 700 V |
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Impulse current
D1 (10/350µs), 2 applications, 8X-C (1&2+3&6+4&5+7&8 - Earth)
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Iimp Total | 500 A |
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Line resistance (± 10%)
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~ 0 ohms |
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Capacitance
@1MHz, X-C (Line/Earth)
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C | < 5 pF |
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Technology
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GDT+TVS diode |
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SPD configuration
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8 wires+shielded |
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Connection to Network
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RJ45 shielded connectors Female input/output |
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Format
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Metallic box with connectors input/output |
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Mounting
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DIN rail / Wall / Plate |
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Accessory(s) provided
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Screw, washer, cable shoe, earthing plate, DIN rail adapter |
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Housing material
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Metallic |
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Operating temperature
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Tu | -40/+85°C |
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Ingress Protection rating
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IP20 (NEMA 2) |
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Failsafe mode
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Transmission cut-off - Fault mode 2 (short-circuit) |
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Disconnection indicator
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Transmission interrupt - default mode 2 |
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Pinout
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(1-2)(3-6)(4-5)(7-8) |
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Dimensions
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See diagram |
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Weight
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0.12 kg / 0.26 lbs |
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Standards compliance
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IEC 61643-21 / EN 61643-21 / UL497 B IEEE 802-3af/3at/3bt |
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UL Category
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QVGQ - Isolated Loop Circuit Protectors |
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Certification
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UL listed |
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Environmental standards
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EU RoHS |
