The KJJ660(A) intrinsically safe and explosion-proof industrial Ethernet switch for mining is a device designed for reliable data communication in industrial environments, particularly in mining operations. It supports Ethernet networking and complies with IEEE 802.3 standards, providing stable and secure network communication.

• Complies with IEEE 802.3 standards, supporting both half-duplex and full-duplex modes with auto-negotiation capability, ensuring stable operation.
• Equipped with RS485 interface, supporting Modbus RTU protocol.
• Features redundant power inputs to ensure continuous operation in case of power failure.
• Supports various network management protocols, including SNMP, and offers convenient network management.
• Allows VLAN configuration, enhancing network security and management flexibility.
• Provides real-time status monitoring and fault indication functions, improving maintenance efficiency.
• Designed to operate in harsh industrial environments, with strong anti-interference capability.

• Power Input:

Rated working voltage: 127V / 380V / 660V AC (self-adaptive)

Voltage deviation: -25% ~ +10%

Frequency: 50Hz, frequency deviation: ±5%

Rated power: ≤120W

Battery: 14.4V / 15Ah (lithium battery), battery life ≥ 4 hours

Fiber port: 1310nm single-mode transmission

Transmission speed: 1000Mbps

Transmission power: ≤0dBm

Receiving sensitivity: -36dBm

Transmission distance: ≤60km (using MGT-SV single-mode fiber, attenuation ≤0.5dB/km)

• RS485 Interface:

Supports half-duplex and full-duplex modes

Baud rate: 2400bps

Signal level: <12V

Load capacity: ≤8V (using MHYY communication cable, single length ≤1.5mm²)

• Explosion-Proof Type:

Intrinsically safe explosion-proof type: [Exd][ib] I Mb