GE Industrial Ethernet switch 336a4940dnp516tx
336a4940dnp516tx

GE
GE Industrial Ethernet switch 336a4940dnp516tx
['Home', 'GE Spare Parts', 'Mark VIe Control System', '336A4940DNP516TX'] Need GE 336a4940dnp516tx? Industrial Ethernet…
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Specifications
| Brand | GE |
|---|---|
| Model Number | 336A4940DNP516TX |
| Official Product Name | 516TX 16-Port Industrial Ethernet Switch (N-TRON 516TX / 516TX-A) |
| Applicable System | GE Speedtronic Mark VIe / Mark VI turbine control systems (IONet network); selected EX2100e and LS2100 applications |
| Product Type | Industrial Ethernet switch (unmanaged layer 2, store-and-forward) |
| Equivalent Standard | IEEE 802.3, IEEE 1613, IEC 61850-3; UL/cUL Class I Division 2, ATEX II 3 G, ABS type approval |
| Product Status | Discontinued / Legacy (limited availability through NOS and refurbished channels) |
| Copper ports | 16 x 10/100Base-TX RJ45, auto-sensing speed and duplex, auto-MDIX |
| Fiber ports | None on this variant (fiber versions are separate order numbers) |
| Switching method | Store-and-forward, unmanaged layer 2 |
| MAC address table | 4,000 entries (some listings state 8,192; confirm per variant) |
| Power input | 10-30 V DC, dual redundant inputs |
| Power consumption | approx. 400 mA at 24 V DC (typical) |
| Operating temperature | -40 to +85 deg C |
| Storage temperature | -40 to +85 deg C |
| Relative humidity | 5% to 95% non-condensing |
| Mounting | 35 mm DIN rail (panel or rack mount kit per variant) |
| Approvals | UL/cUL Class I Div 2, ATEX II 3 G Ex nA, ABS, CE, FCC, RoHS |
| Weight | approx. 1.0 kg |
| Dimensions | approx. 188 x 58 x 89 mm (W x H x D, DIN-rail variant) |
| Manufacturer | GE (N-TRON / Red Lion Controls built for GE Speedtronic) |
Product Description
It provides sixteen 10/100Base-TX RJ45 ports with auto-MDIX to build large IONet control networks connecting controllers, I/O packs, HMIs and historians. Dual redundant 10-30 V DC inputs, typically fed from a JPDH distribution board, and a -40 to +85 deg C operating range make it suitable for harsh plant and outdoor enclosures. As a legacy network component it is supplied on inquiry as new old stock or refurbished spare part. The GE 336A4940DNP516TX is the GE part number for the N-TRON 516TX / 516TX-A 16-port unmanaged industrial Ethernet switch used in GE Speedtronic Mark VIe and Mark VI turbine control systems.
Basic Product Information
- Unmanaged layer 2 store-and-forward switching; no configuration required, link LEDs confirm status at a glance
- Dual redundant 10-30 V DC power inputs, typically 24 V DC or 28 V DC supplied from a JPDH distribution board
- Extended -40 to +85 deg C operating temperature for control cabinets, substations and outdoor enclosures
- IEEE 1613 and IEC 61850-3 environmental compliance with ABS type approval for shipboard and substation use
- DIN-rail steel housing with panel and rack mount options depending on the 516TX or 516TX-A variant
- 16 x 10/100Base-TX RJ45 ports with auto-sensing speed and duplex plus auto-MDIX for plug-and-play cabling
Technical Specifications
Version & Model Difference
['336A4940DNP516TX is the 16-port Mark VIe IONet switch; the 336A4940DNP508TX is the 8-port sibling for smaller IONet segments with up to seven I/O packs plus HMI.', 'The 516TX can take over the position of a 508TX where ports are free, but a 516TX cannot be replaced by a 508TX when the topology needs more than eight ports.', 'Mark VIe documentation refers to the switch as an approved IONet component; it is not interchangeable with JPDH distribution boards or VPRO controller modules, which serve different functions in the same rack.']
Application Scenarios
- Gas and steam turbine control networks in combined-cycle power plants
- Distributed control system IONet backbones linking controllers, I/O packs and HMIs
- Substation and outdoor enclosures requiring IEEE 1613 network hardware
- EX2100e excitation and LS2100 applications using the same Mark VIe network infrastructure
No. It is an unmanaged store-and-forward layer 2 switch. After the redundant 24/28 V DC supply from the JPDH board is restored and network cables are connected, the power and link LEDs confirm operation without any IP or protocol setup.
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Frequently Asked Questions
What is the GE 336A4940DNP516TX?
It is the GE order number for the N-TRON 516TX 16-port unmanaged industrial Ethernet switch approved for GE Speedtronic Mark VIe and Mark VI IONet control networks.
Does the 336A4940DNP516TX need configuration?
No. It is an unmanaged store-and-forward layer 2 switch. After the redundant 24/28 V DC supply from the JPDH board is restored and network cables are connected, the power and link LEDs confirm operation without any IP or protocol setup.
Can the 336A4940DNP516TX replace an 8-port 336A4940DNP508TX?
Yes in most cases, because the 516TX provides more ports in a comparable DIN-rail footprint. The reverse is only possible when the IONet segment needs eight ports or fewer. Always compare the mounting width and power terminals of the installed unit before ordering.
What condition and warranty can I expect?
This legacy switch is typically supplied as new old stock or refurbished surplus with a 12-month distributor warranty. Send us photos of the nameplate and power terminals and we will confirm the exact variant, condition and warranty terms on your inquiry.
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