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Siemens 6GT2831-6CA50 — RFID & Auto-ID

Siemens 6GT2831-6CA50 SIMATIC RF1040R Access Control Reader,

MPN6GT2831-6CA50

Siemens SIMATIC RF1000 Access Control Reader RF1040R, LF 125 kHz & HF 13.56 MHz, USB & RS232, IP65 front, 90 x 62 x 25 mm, -25 to +55 °C.

$454.66Ref. price · indicative, final on quote
Siemens 6GT2831-6CA50 datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

6GT2831-6CA50 — RF / Air interface
ParameterValue
Operating frequency range0.125 ... 13.56 MHz
Supported RF protocolsHiTag 1/2/S, EM41xx/45xx, EKS key, ISO 15693, ISO 14443 A/B, Felica, NXP NTAG21x, HID iClass
Compatible transponders / systemsHiTag 1/2/S, EM4xxx, ISO 15693 and ISO 14443 A/B transponder, for connecting to PC and control systems
Read/write range, max.0.03 m; Range is dependent on transponder type: observe http://support.automation.siemens.com/WW/view/en/67384964
Air-interface data rate, max.424 kbit/s
Multitag capableYes
6GT2831-6CA50 — Communication / Electrical
ParameterValue
Communication interfacesUSB 2.0, RS232
Electrical connector type1.8 m connecting cable with USB 2.0 type A connector or RS232 connecting cable
Voltage range (DC)4.6 ... 5.25 V
Rated value (DC)5 V
Status indicators (LEDs)3-color LED
6GT2831-6CA50 — Mechanical
ParameterValue
Mounting / fastening method4 M4 screws for cabinet installation
Width90 mm
Height62 mm
Depth23.5 mm
MaterialPC-GF
ColorTi gray
6GT2831-6CA50 — Environmental
ParameterValue
Degree of protection (IP)IP65
Operating temperature range-25 ... +55 °C
Storage temperature range-25 ... +55 °C
Transport temperature range-25 ... +55 °C
Shock acceleration300 m/s²
Vibration acceleration50 m/s²
Shock resistance standardEN 60721-3-7 Class 7 M2
6GT2831-6CA50 — Approvals
ParameterValue
IECEx certifiedNo

Product details

The Siemens 6GT2831-6CA50 is a SIMATIC RF1000 Access Control Reader RF1040R that reads both LF (125 kHz) and HF (13.56 MHz) transponders — covering HiTag 1/2/S, EM4xxx, ISO 15693, and ISO 14443 A/B, among others. It integrates a 3-color LED display for status indication and connects to a PC or control system via a 1.8 m USB 2.0 cable (Type A) or an optional RS232 interface. The reader is powered over the USB bus, drawing 0.15 A typical / 0.3 A max at 5 V.

The reader is built for cabinet installation — four M4 screws through the 90 x 62 mm face, with a 23.5 mm depth behind the panel. The IP65 front rating means the exposed face handles washdown and dust ingress; the housing is PC-GF (glass-filled polycarbonate) and silicon-free, so it's safe for paint-shop or clean-room environments where silicone contamination is a concern.

Frequently asked questions

What transponders does this reader support?

It supports HiTag 1/2/S, EM41xx/45xx, EKS key, ISO 15693, ISO 14443 A/B, Felica, NXP NTAG21x, and HID iClass — both LF (125 kHz) and HF (13.56 MHz) protocols.

What is the IP rating and can it go outdoors?

IP65 on the front face — suitable for indoor washdown or sheltered outdoor use, but the rear is not sealed, so mount it in a cabinet or enclosure.

Does it require an external power supply?

No, it's bus-powered via the USB 2.0 connection (5 V, 0.3 A max). The included 1.8 m cable has a Type A plug.

MPN
6GT2831-6CA50