MRD - Industrial Communication Products & Solutions

Product Overview

The MTX140 series unmanaged Gigabit DIN-rail industrial switch supports 16 or 24 Gigabit copper ports for simple industrial Ethernet applications. Top-panel DIP switches enable/disable QoS and BSP (broadcast storm protection) for greater versatility. Industrial aluminum alloy housing; rugged and durable.

The MTX140 series unmanaged Gigabit DIN-rail industrial switch uses redundant 12/24/48VDC and 24VAC inputs with DIN-rail mounting and high-level EMC tests. Compact size with 100% burn-in testing for reliable operation.

Certifications

Contact

FAQ

The cable is connected, but the port will not come UP / the link is down. What should I check?
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1) Confirm an industrial-grade cable and proper RJ45 crimping. 2) Check speed/duplex settings; set both ends to auto-negotiation. 3) Check whether the port is administratively shut down, in the wrong VLAN, or restricted by port security.
What are the PoE power specifications?
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Standard PoE and PoE+ are supported, with max per-port power of 15.4 W and 30 W respectively. Total system power budget must be calculated during selection to avoid insufficient supply when too many PDs are connected.
Which ring protocols are supported, and what is the self-healing time?
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Mainstream industrial ring protocols such as ERPS (G.8032), RSTP/STP, MRP, and PRP are supported. ERPS typical self-healing is ≤50 ms; traditional RSTP is second-level. It is recommended to use one ring protocol consistently across the network.
How should I choose between Layer-2 and Layer-3 industrial switches?
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Layer-2 switches: basic features such as VLAN, ring networks, and port mirroring; suited to access layers and same-subnet networking with strong cost performance. Layer-3 switches: add static routing, OSPF, DHCP relay, multicast, and other routing features—choose these when cross-subnet communication or core/aggregation networks are required.
Can non-OEM SFP optical modules work normally?
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The device is compatible with generic IEEE 802.3 SFP modules. Non-OEM modules can usually be recognized, but some brands may have compatibility issues. OEM modules are recommended.
How do I restore factory settings if I forget the device login password?
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1) Hardware reset: press and hold the RESET button for 5–10 seconds; the device reboots to factory defaults. 2) Software reset: use the vendor NMS to restore factory settings remotely. All custom configurations will be cleared after restore.
What are the power supply requirements for industrial switches?
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DC models support 18–60 VDC or 9.6–60 VDC; AC models support 100–240 VAC, with dual redundant power inputs. Phoenix terminal wiring; reverse-polarity protection is built in so normal reverse connection will not damage the device.
What are the operating temperature range and protection rating of industrial switches?
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All-metal aluminum alloy housing. Operating temperature is -40°C to +75°C; premium wide-temperature models reach -40°C to +85°C. Typical enclosure rating is IP40.

Features

All Gigabit ports

Industrial-grade chipset

Compact and easy to install

Supports QoS (IEEE 802.1P/1Q and TOS/DiffServ)

aluminum alloy housing

IP30 Ingress protection

Redundant dual power input design

Fanless , -40°C to +75°C operating temperature

Specifications

Hardware Performance -
Backplane bandwidth 32 Gbps (16-port models)
48 Gbps (24-port models)
Switching Technology store-and-forward
MAC address table 8K
packet buffer 4 Mbits
switching rate 148,800 pps/FE port; 1,488,000 pps/GE port
DIP switch configuration+
DIP switch functions QoS (Quality of Service), BSP (broadcast storm protection), power alarm, port alarm, alarm buzzer

Power Parameters +

connection	1 removable 6-PIN terminal block
Input voltage	12/24/48VDC & 24 VAC , redundant dual input
Operating voltage	9.6 ~ 60VDC & 18 ~ 30VAC
overload current protection	Supports
reverse polarity protection	Supports
Power consumption	≤ 10W

Physical Characteristics +

Mounting method	Din-Rail mounting
housing	die-cast aluminum housing; sheet-metal aluminum housing
protection rating	IP30 (die-cast); IP40 (sheet-metal)
Dimensions (W×H×D)	52mm x 140mm x 110mm (16-port die-cast); 50mm x 143mm x 110mm (16-port sheet-metal); 72mm x 140mm x 110mm (24-port die-cast); 65mm x 143mm x 110mm (24-port sheet-metal)
Weight	≤ 1.3KG
MTBF	≥400,000 H

Environmental Characteristics +
storage temperature ‐40°C ~ 85°C
Operating temperature ‐40°C ~ 75°C
Humidity 5% ~ 95% (non-condensing)
Mechanical Characteristics +
Vibration IEC 60068-2-6
Shock IEC 60068-2-27
free fall IEC 60068-2-31
PCB Compliant with IPC standards

Electromagnetic Characteristics +

EMI radiation	FCC 47 CFR Part 15 Class A EN55032 Class A EN55035 Class A
EMC	IEC(EN)61000-4-2, Level 3 IEC(EN)61000-4-3, Level 3 IEC(EN)61000-4-4, Level 3 IEC(EN)61000-4-5, Level 3 IEC(EN)61000-4-6, Level 3 IEC(EN)61000-4-8, Level 5 IEC(EN)61000-4-18, Level 3

Industry certification tests+
Product Safety IEC/EN62368-1
UL/cUL61010
EMC EN55032
EN55024
EN61000-3-2
EN61000-3-3
EN61000-6-2
EN61000-6-4
FCC Part 15 Subpart B C lass A

Dimensions

Accessories

Model	Product Specification
MTX140-A16R00G0	16-port DIN-rail unmanaged industrial switch: 16×10/100/1000BaseT; DIP audible/visual alarm and 1 relay alarm (1A@24VDC). Die-cast aluminum housing; IP30; operating temperature -40°C ~ +75°C. Redundant 12/24/48VDC (9.6~60VDC) & 24VAC (18~30VAC) input (Class 2 only).
MTX140-A16R00G0R	16-port DIN-rail unmanaged industrial switch: 16×10/100/1000BaseT; DIP audible/visual alarm and 1 relay alarm (1A@24VDC). Sheet-metal aluminum housing; IP40; operating temperature -40°C ~ +75°C. Redundant 12/24/48VDC (9.6~60VDC) & 24VAC (18~30VAC) input (Class 2 only).
MTX140-A24R00K0	24-port DIN-rail unmanaged industrial switch: 24×10/100/1000BaseT; DIP audible/visual alarm and 1 relay alarm (1A@24VDC). Die-cast aluminum housing; IP30; operating temperature -40°C ~ +75°C. Redundant 12/24/48VDC (9.6~60VDC) & 24VAC (18~30VAC) input (Class 2 only).
MTX140-A24R00K0R	All-black with Changzheng Centauri software, 40-port standard 19-inch 1U rack-mount TSN Layer-3 industrial switch: 8×1000/2500BaseX SFP (optics not included) + 8×1000/2500/10000BaseX SFP (optics not included) + 24×10/100/1000BaseT. Built-in dual 100-240V industrial PSUs. IP40. Includes mounting brackets, monitoring cable and power cord. With CENTAURI software.

Industrial Ethernet

Industrial Wi-Fi

Industrial Cellular

Industrial IoT

Industrial PON

Industrial Power Supply

Software & Service

MTX140 Series Unmanaged Gigabit Din-Rail Industrial Switch

Product Overview

Certifications

FAQ

The cable is connected, but the port will not come UP / the link is down. What should I check?
+

What are the PoE power specifications?
+

Which ring protocols are supported, and what is the self-healing time?
+

How should I choose between Layer-2 and Layer-3 industrial switches?
+

Can non-OEM SFP optical modules work normally?
+

How do I restore factory settings if I forget the device login password?
+

What are the power supply requirements for industrial switches?
+

What are the operating temperature range and protection rating of industrial switches?
+

Features

Specifications

Hardware Performance -