Product Description

Overview

The Schneider Electric ACE949-2 communication interface provides a reliable RS485 link for Sepam protection relays used in electrical distribution and industrial control systems. It delivers stable Modbus RTU communication across E-LAN and S-LAN networks, ensuring efficient data exchange between Sepam series devices and supervisory platforms. Moreover, its compact housing and DIN-rail mounting allow smooth integration into modern control panels without increasing installation complexity. Each design element reflects long-term field reliability, especially where continuous relay monitoring is essential.

Technical Specifications

Product Information

• Range: Sepam Series 20 / 40 / 48 / 60 / 80

• Model: ACE949-2

• Type: RS485 Communication Interface

• Protocol: Modbus RTU (E-LAN, S-LAN)

Electrical Characteristics

• Rated Supply Voltage: 12 V DC ±10% or 24 V DC ±10%

• Supply Current: 16 mA (receive mode), 40 mA max (transmit mode)

Mechanical Data

• Mounting: Fixed, symmetrical DIN rail

• Height: 88 mm

• Width: 72 mm

• Depth: 30 mm

• Weight: 0.2kg

FAQ

Q1: Which Sepam devices are compatible with the ACE949-2?
It works with Sepam series 20, 40, 48, 60, and 80 relays.

Q2: Does the module support both E-LAN and S-LAN networks?
Yes, it supports Modbus RTU communication over both network types.

Q3: Can the module be installed in compact electrical panels?
Yes, its small size and DIN-rail design allow easy installation in tight spaces.

Q4: What power supply does the ACE949-2 require?
It supports 12 V DC ±10% and 24 V DC ±10%.

Q5: Is LED status indication available?
Yes, a front-face LED shows link-activity status during operation.