ABB DI825 3BSE036373R1 S800 I/O 8-Channel 125V DC Digital Input Module

Description

The DI825 3BSE036373R1 is an 8-channel high-voltage DC input module with individual galvanic isolation for each channel, ensuring safety and signal integrity. It features advanced filtering to remove noise and contact chatter and supports hot-swapping via MTUs for easy replacement without system interruption.

Specifications

• Manufacturer: ABB

• Country of Origin: Switzerland

• Model Number: DI825 (3BSE036373R1)

• Product Type: Digital Input Module

• Number of Channels: 8 (Individually Isolated)

• Rated Input Voltage: 125 V DC

• Input Voltage Range: 77 V to 150 V DC

• Isolation: Galvanic isolation between channels and to system

• Signal Delay: 20 ms (Filter time)

• Power Supply: 24 V DC (Internal via ModuleBus)

• Mounting: DIN-rail via S800 MTU

• Weight: 0.35 kg

Features

• High-Voltage DC Sensing: Enables direct connection to 125V DC control loops, eliminating the need for interposing relays and reducing cabinet complexity.

• Per-Channel Galvanic Isolation: Offers independent isolation for every channel, ensuring that field faults remain localized and do not impact adjacent signals.

• Superior Noise Rejection: Integrated hardware filtering protects against electromagnetic interference and mechanical contact bounce in noisy industrial settings.

• Modular Hot-Swap Support: Engineered for high-availability systems, allowing the module to be removed or replaced under power without process interruption.

• Industrial-Grade Construction: Designed for extreme reliability in power generation and utility sectors, with a ruggedized housing suitable for harsh environments.

• Front-Panel Diagnostics: A dedicated LED array provides real-time status indication for each input channel and immediate visual alerts for module hardware faults.