EN50155 Switch | EN50155 PoE Switch ITP-800A-8PH24 | DCT

Features

Use M12/M23 connector anti vibration and shock for vehicle, rolling stock, and railway applications
24/48VDC (20~57VDC) redundant dual input power with built-in very high efficiency (97~98%) to boost PoE output voltage to 50VDC
Regulated PoE output voltage (50VDC) to stabilize PoE device, and guarantee delivery PoE power distance to 100 meters
Wide operating temperature -40~75°C (ITP-800A-8PHE24)
CE, FCC, EN62368-1, EN51055, EN50121-4 and EN45545-2 for railway certified
Industrial Grade EMS, EMI, EN61000-6-2, EN61000-6-4 certified

The EN50155 certified M12 PoE switches ITP-800A-8PH24, metal housing IP40 protection, have 8 10/100Base-TX M12 D-code Ethernet ports, fanless and redundant power input. Designed for heavy industrial, vehicle and rolling stock applications, utilizing M12 connectors to ensure secure connections and reliable operation, and withstand environmental disturbances such as vibration and shock. 24VDC power input design, compatible with vehicle battery power supply, realizes PoE function through voltage boosting. EN50155 certification covers operating temperature, mains input voltage, surge, ESD, vibration and shock, making the switch suitable for vehicle, rolling stock applications.

Certifications & Compliance

EN50155, EN50121-4, EN61000-6-2, EN61000-6-4, EN62368-1, EN45545-2
CE and FCC Certified
IP40-rated: Protection against dust and industrial environments

Power & PoE Capabilities

24/48VDC (20-57VDC) Redundant Dual Power Input
Built-in high-efficiency booster (97-98%) to increase PoE output to 50VDC
Regulated PoE output voltage (50VDC) for stable power delivery
Supports PoE IEEE802.3af / IEEE802.3at
Maximum PoE power budget: 120W (30W per port)
PoE power delivery up to 100 meters
Reverse Polarity Protection for power input
Overload Current Protection Supported

Networking & Connectivity

8× Fast Ethernet M12 D-code ports (10/100Base-TX)
Auto-negotiation, Auto MDI/MDI-X, Full/Half Duplex support
1.6Gbps Switching Fabric (Full Wire-Speed)
IEEE 802.3x Flow Control and Back Pressure
IEEE 802.1Q VLAN support
MAC Address Table: 1K
Packet Buffer Size: 448Kbits
Store and Forward switching with back pressure for half-duplex mode
Cable diagnostics to identify open/short issues
LED indicators for Power, Link/Active, and PoE status
Supports CSMA/CD network protocol

Specification	ITP-800A-8PH24	ITP-800A-8PHE24
Total Ports	8	8
Ethernet Ports	8× 10/100Base-TX M12 D-code (Female)	8× 10/100Base-TX M12 D-code (Female)
PoE Ports	8× PoE IEEE802.3af/at (Max. 30W per port)	8× PoE IEEE802.3af/at (Max. 30W per port)
PoE Power Budget	120W	120W
PoE Output Voltage	50VDC	50VDC
Power Input	24/48VDC (20~57VDC)	24/48VDC (20~57VDC)
Boost Efficiency	97-98%	97-98%
Operating Temp.	-10°C to 60°C	-40°C to 75°C
Storage Temp.	-40°C to 85°C	-40°C to 85°C
Humidity	5% to 95% (Non-condensing)	5% to 95% (Non-condensing)
Housing	Rugged metal, IP40, Fanless	Rugged metal, IP40, Fanless
Dimensions	64 × 71.5 × 219mm	64 × 71.5 × 219mm
Weight	860g	860g
Mounting	Wall mounting	Wall mounting
MTBF	937,878 Hours (MIL-HDBK-217)	937,878 Hours (MIL-HDBK-217)
Certifications	EN50155, EN50121-4, EN45545-2, CE, FCC, EN62368-1	EN50155, EN50121-4, EN45545-2, CE, FCC, EN62368-1

Performance & Environmental Durability

Operating Temperature:
- ITP-800A-8PH24: -10°C to 60°C
- ITP-800A-8PHE24: -40°C to 75°C
Storage Temperature: -40°C to 85°C
Humidity: 5% to 95% (Non-condensing)
Shock & Vibration resistant (IEC 61373)
Freefall resistant (IEC 60068-2-32)
Fanless, rugged metal housing with IP40 protection
MTBF: 937,878 hours (MIL-HDBK-217)
Wall Mounting

Security & Management

SNMP v1/v2c/v3 for network monitoring
Syslog and Alarm Relay notifications
EMS (Element Management System) support
IEEE 802.1X authentication (Port-based and MAC-based)
Access control via RADIUS & TACACS+ Authentication
HTTPS, SSH v2, SSL encryption for secure access
DHCP Client support
IEEE 802.3az Energy Efficient Ethernet (EEE)

QoS & Traffic Optimization

IEEE 802.1p-based QoS
Traffic Classification:
- Class of Service (CoS)
- Differentiated Services Code Point (DSCP)
- IP Precedence
Bandwidth control
Storm Control for unicast, broadcast, and multicast traffic

Electromagnetic & Environmental Protection

Protection Type	Standard & Level
ESD Protection	EN61000-4-2, Level 3, Criteria B
Radiated Immunity	EN61000-4-3, Level 3, Criteria A
Electrical Fast Transient	EN61000-4-4, Level 3, Criteria A
Surge Protection	EN61000-4-5, Level 3, Criteria B
Conducted Immunity	EN61000-4-6, Level 3, Criteria A
Magnetic Field Immunity	EN61000-4-8, Field Strength: 300A/m, Criteria A
Voltage Dips Protection	EN61000-4-11
Shock Resistance	IEC 61373
Vibration Resistance	IEC 61373
Freefall Protection	IEC 60068-2-32

Ordering Information & Accessories

Model Variants:
- ITP-800A-8PH24: -10~60°C
- ITP-800A-8PHE24: -40~75°C
Optional Accessories:
- CAB-M12DM4-RJ45: M12 D-code Male (4-Pin) to RJ-45, AWG 24, IP67, 1 meter
- M12D-M4: M12 D-code Male (4-Pin) Connector, IP67
- CAB-M12AF5-OPEN: M12 A-code Female (5-Pin) to open wire, AWG 22, IP67, 1 meter

EN50155 Switch | EN50155 PoE Switch ITP-800A-8PH24