A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
High‑Reliability Industrial Bus Interface
The 490NAE91100 Main Bus Junction Box from Schneider Electric is a purpose-built connector module that enables robust PROFIBUS DP network distribution in programmable automation systems. Designed as a key component in MODICON and PROFIBUS architectures, this junction box ensures reliable data traffic flow between controllers and field devices. It provides cable consolidation, signal integrity, and easy access for expansion or maintenance, making it a dependable choice for OEMs, system integrators, and control system engineers.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 490NAE91100 |
| Product Type | Main Bus Junction Box |
| Network Interface | PROFIBUS DP |
| Compatible Platforms | MODICON Quantum, MODICON Premium, Preventa Safety PLCs |
| Transmission Mode | PROFIBUS standard |
| Operating Temperature | ‑25 °C to +70 °C |
| Storage Temperature | ‑40 °C to +85 °C |
| Relative Humidity | 5 % to 95 % (non‑condensing) |
| Supply Voltage | 24 V DC (typical industrial logic bus) |
| Maximum Current Rating | ~4 A |
| Communication Speed | Up to 12 Mbps |
| Terminals | Multiple screw terminals |
| Material / Housing | Industrial‑grade enclosure |
| Weight | Approx. 0.36 kg |
| Dimensions (approx.) | Compact form factor suitable for panel mounting |
