Foxboro BS811TH Power Supply Module – Product Description

Description / Overview

The Foxboro BS811TH is a high-capacity power supply module engineered for the I/A Series Distributed Control System (DCS). It delivers regulated 24 VDC power to critical system components, including Fieldbus Modules (FBMs), controllers, and communication interfaces. Moreover, its robust construction ensures reliable operation under harsh industrial conditions, supporting continuous process automation.

Technical Data / Specifications

• Model: BS811TH

• Type: Power Supply Module

• System Compatibility: Foxboro I/A Series DCS

• Input Voltage: 120/240 VAC, 50/60 Hz

• Output Voltage: 24 VDC regulated

• Output Current: Up to 10 A (high-capacity design)

• Power Consumption: ~240 W maximum

• Redundancy: Supports dual redundant operation

• Protection: Over-voltage, over-current, thermal protection

• Operating Temperature: 0 °C to +60 °C (32 °F to 140 °F)

• Storage Temperature: –40 °C to +85 °C

• Humidity Range: 5% – 95% non-condensing

• Mounting Options: Rack or cabinet installation

• Dimensions (H × W × D): ~10 × 10 × 15 cm

• Weight: 1.0 kg

• Country of Origin: USA

• Application Areas: Oil & gas, chemical plants, refining, power generation, pulp & paper, water treatment

FAQ

Q1: What is the output voltage of the BS811TH?
A1: It provides a regulated 24 VDC output suitable for Foxboro I/A Series modules.

Q2: Can this module operate redundantly?
A2: Yes, dual-redundant operation ensures fault-tolerant performance and uninterrupted power.

Q3: What industries use this module most frequently?
A3: Oil & gas, chemical processing, power generation, pulp & paper, and water treatment.

Q4: How is the module installed?
A4: The module supports flexible rack or cabinet installation.

Q5: Does the BS811TH have protection features?
A5: Yes, it includes over-voltage, over-current, and thermal protection for safe operation.