BLS SU 600 Switching Unit

Modular & Scalable Switching Solution for Multi-Channel Test Applications

The BOLAB SU 600 Switching Unit is a high-performance, modular switch matrix system, built on the BOLAB SP-400 Switching Platform. Designed for automotive, aerospace, and industrial testing, this system offers flexible multi-channel switching with seamless TCP/IP integration for remote control and automation.

The SU 600 provides a 6×32 channel topology, handling currents up to 2A per channel with integrated fusing. With a fully modular architecture, expandable slot configurations, and real-time diagnostics, this rack-mounted switch matrix is ideal for high-precision test environments.

Key Features & Benefits

Scalable & Modular Design

• Supports up to 4 plug-in switch modules
• Expandable switching configurations for customized test setups

High-Performance Switching

• 6×32 channel topology with up to 2A per channel
• Integrated 2A fuses for circuit protection

Robust 19” Rack-Mountable Design

• 4HU enclosure with high-efficiency cooling fan
• Fully enclosed with front and rear filler panels

Reliable Power & Communication

• 24V DC power supply (recommended: 5A)
• TCP/IP connectivity for easy remote control & automation

Advanced Diagnostics & Safety Features

• Temperature monitoring activates cooling fan above 40°C
• Error state output for system protection

System Components & Configuration

The SU 600 Switching Unit is delivered as a fully configured system with the following components:

Included Hardware

• BLS SP-MF 600 Switching Platform (SP-400 4HU 19” Rack)
• 1× BLS SP-32-2 Matrix Card (6×32 channel, 2A per channel)
• 1× BLS SP-C Microcontroller Card
• Backplane Interface Card (Includes error state monitoring)
• SPB Power Supply Card
• Cooling Fan (Auto-activated at 40°C)
• Interface Connectors (Female & Male with protection covers)
• Switching Platform Software (For setup & configuration)

Front with 3 cards 96x6 Matrix

Rear With 3 Controller Units

Optional Expansion & Accessories

• CU-600 Switch Matrix Expansion Enables >32 switching line disconnections
• with 4 cards 128 switching line disconnections 
• Add Larger chassis or additional housing to expand further
• Additional Switching Modules (Support for higher current loads up to 70A)
• Calibration Loads & Transient Accessories

Technical Specifications

Electrical

• Supply Voltage: 24V DC
• Supply Current: (for 150 closed relays + fan)
• Power Consumption: 10-50W typical, 200W max.

Mechanical

• Rack Width: 19” (483mm)
• Height: 4HU (178mm)
• Depth: 475-650mm (varies based on connectors)
• Weight: Approx. 11.2 kg

Environmental

• Operating Temperature: 0 to 55°C
• Operating Humidity: 10-80% (non-condensing)

Cooling System

• High-efficiency fan (150m³/h airflow)
• Auto-activated at 40°C; shutdown below 35°C

Schematic Overview 

• Automatic Fan Control: Prevents overheating, triggers at 40°C, shuts off below 35°C
• Error State Monitoring:
  • Overcurrent protection – Shuts down high-current channels exceeding limits
  • Overtemperature protection – Disables channels above 80°C
  • Firmware freeze detection – Ensures reliable operation
• Integrated Digital I/O: 2-bit input/output per controller
• TCP/IP Communication: Remote control & automation via single network port

Applications & Use Cases

• Automotive & Aerospace EMC Testing
• Power Electronics & Battery Testing
• High-Current Load Simulation
• Industrial Automation & Control
• Electronic Component Endurance Testing

Why Choose the BOLAB SU 600 Switching Unit?

• Most Versatile Switching Solution – Modular, scalable, and fully customizable
• Superior Build Quality – Reliable 19” rack-mount design with error detection & fan control
• Seamless Remote Control – Full TCP/IP integration for automated test systems
• Future-Proof & Expandable – Supports additional switching modules & power upgrades
• Industry-Leading Support – Expert software & hardware assistance from Absolute EMC

Order Now – Custom Configurations Available!

The BOLAB SU 600 Switching Unit is the most advanced, easy-to-integrate, and scalable switching solution for automotive, aerospace, and industrial test applications.

Contact Absolute EMC today to discuss your custom configuration and receive a quote!