The Schneider Electric TM3XTRA1 is a remote transmitter module in the Modicon TM3 expansion I/O range. It interfaces with TM3 receiver modules via RJ45 bus cable and is compatible with M221, M241, M251, and M262 PLCs. Ideal for distributed I/O architectures, it’s designed for simple plug-and-play expansion and reliable RS-485 communication.

Key Specifications

Model: TM3XTRA1 – Remote transmitter module for Modicon TM3 range
Function: Acts as transmitter in remote I/O bus architecture; pairs with receiver module
Bus Interface: 1 × RJ45 connector for RS-485 bus communication
Power Consumption: Max 160 mA @ 5 V DC bus; draws ~30 mA via TM3 connector; power dissipation ≤ 0.6 W
Dimensions / Weight: 23.65 mm × 73.3 mm × 90 mm; ~65 g
Mounting & Protection: Top-hat DIN-rail (TH35); IP20 enclosure; functional ground terminal provided
Standards & Certifications: UL 508, IEC 61131‑2, CSA C22.2 No 213, C‑Tick, RoHS; Class I Div 2 Groups A/B/C/D

Schneider Electric – TM3XTRA1 – Modicon TM3 Remote Transmitter Module, RJ45 Bus