FBM241B

General Information

• Manufacturer: Foxboro (Schneider Electric)

• Model: FBM241B

• Function: 8 isolated discrete inputs (15–60 VDC) + 8 discrete outputs (12 VDC @ 12 mA, internal power)

• Mounting: Field-mounted, suitable for Class G3 harsh environment

• Certification: CE, ATEX, CSA; Class 1 Division 2 / Zone 2 hazardous area certified

• Weight: Approx. 340 g

Key Specifications

Channels: 8 isolated discrete inputs, 8 discrete outputs

Input Signal: 15–60 VDC (logic 1: 15–60 VDC; logic 0: 0–5 VDC)

Output Rating: 12 VDC @ 12 mA (internal power source, switch type)

Isolation: Per-channel galvanic isolation, 1500 VDC isolation voltage

Redundancy: Supports 1:1 redundant pair configuration

Power Supply: 24 VDC, power consumption ≤ 3 W

Operating Temperature: -20°C to +70°C

Dimensions (mm): 110 × 115 × 45

Main Features

Simplified I/O: Optimized for 15–60 VDC input and internal 12 VDC low-current output, reducing external power needs.

Channel Isolation: Independent galvanic isolation per channel for noise immunity and fault containment.

Hot-Swappable: Online replacement without system interruption.

LED Diagnostics: Onboard LED status indicators for each channel.

Compact & Rugged: Designed for G3 harsh industrial environments.

Applications

Used in chemical, power, oil & gas, water treatment and process industries.

Ideal for low-power 12 VDC field device control (e.g., small relays, indicators) and 15–60 VDC status monitoring in standard DCS loops.