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Multiplexer for Multipoint Electrical Safety Testing

The Associated Research SC6540 is a modular switching matrix for automated electrical safety testing in production and laboratory environments. It routes the test voltage or test current from a connected electrical safety tester to multiple test points on a device under test. This enables AC and DC Hipot tests, ground bond tests, insulation resistance tests, and leakage current tests without manual rewiring between individual test steps.

Associated Research SC6540: Automated Channel Switching for Multiple Test Points

Channel switching is integrated into the test sequence through the connected electrical safety tester or a PC-based control system. Defined test points can be addressed sequentially without reconnecting the test leads for each test step. This reduces setup time and lowers the risk of incorrect channel assignments during recurring production and laboratory test sequences.

Five Channel Configurations in Ten Unit Versions

The Associated Research SC6540 is available with 8 or 16 high-voltage or high-current channels. A combined version with 8 high-voltage and 8 high-current channels is available for test sequences requiring both channel types. Each channel configuration is offered as a main or secondary unit, resulting in ten available unit versions. The high-voltage channels are rated for up to 5 kV AC and DC, while the high-current channels support currents up to 40 A.
All versions are housed in a 2U enclosure.

Expandable Architecture for Automated Test Systems

One SC6540 main unit can control up to four secondary units via the multiplexer bus. This increases the number of test channels without requiring a separate connection between every unit and the control computer. The PC interfaces are located on the main unit: USB and RS-232 are standard, while Ethernet and GPIB are available as options. Alternatively, channel switching can be controlled from the front panel of a compatible OMNIA II, HypotULTRA, or LINECHEK II electrical safety tester.

Configure the Associated Research SC6540 for Your Test Setup

The appropriate unit version depends on the number and type of test points, the required test methods, the test voltage, and the test current. The connected Associated Research electrical safety tester, the preferred control interface, and any planned channel expansion must also be considered. Based on these requirements, we determine the appropriate channel configuration and whether one main unit is sufficient or additional secondary units are required.

Alternative Products

For multipoint testing that requires higher test voltages or more channels, the Vitrek 964i Series High-Voltage Switching System provides voltage ranges up to 15 kV, current switching capacity up to 40 A, and up to 64 channels per unit. When high-voltage switching must be integrated directly into the electrical safety tester, the Associated Research HypotULTRA® 78xx Series is available with an optional internal high-voltage multiplexer.

Related Product Categories

Scanners and Switching Matrices | Electrical Safety Testers | Hipot Testers and High-Voltage Testers | Ground Bond Testers | Leakage Current Testers

Route Every Test Point Without Rewiring

We match channel type, channel count, tester interface and expansion needs to your setup—so the SC6540 switches high-voltage and high-current test points exactly where your sequence requires.

Variants

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Specifications

Device Type Modular Switching Matrix/Multiplexer (“Scanner”) (Matrix Scanner) for HiPot, Ground Bond, Insulation Resistance & Leakage Current
Channels / Configurations up to 16 channels; 10 model variants
Limits up to 5 kV AC/DC (HV), up to 40 A (HC)
Architecture 1 Main unit controls up to 4 Secondary units (bus cascading)
Channel Mode/Indication High / Low / Open; per-channel LED status
Interfaces (Main) Safety Interlock, SmartGFI®
Compatibility HypotULTRA, OMNIA, LINECHEK
Software WithStand® (Desktop/Cloud) for PC automation & reporting
Safety Functions Safety Interlock, SmartGFI®
Warranty 5-Year Warranty
Compliance CE Listed

Options & Accessories

38819 Ethernet Interface Card for PC connection of the Main unit (incl. RS-232 + barcode scan function)
39063 GPIB Interface Card for PC connection of the Main unit
38795 19" Rack Mount Accessory Kit (handles + brackets) for rack installation

Scope of Delivery

SC6540 Scanner
25-Pin Scanner Bus Cable
High-Voltage Interconnect Cable
2U Rack Ears (2 pcs.)
2U Rack Handles (2 pcs.)
M4 × 12 mm Screws, FHMS (4 pcs.)

Applications

Multi-Point HiPot Testing on devices, assemblies, and cable harnesses
Ground Bond and Continuity Testing in production lines and end-of-line tests
Insulation Resistance Testing for type testing and production
Leakage Current and Line Leakage Testing in standards-oriented test sequences
Integration Into ATE Systems with PC or tester control for electrical safety testing

Videos

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Supplier

For more than seven decades Associated Research has shaped the electrical safety compliance industry with innovative test and measurement solutions. Associated Research strives to improve all aspects of the electrical safety testing process for customers through dedication to product quality and commitment to customer satisfaction. Since being incorporated in 1936 AR has remained family owned, and continues to make business decisions with the values of the founder in mind. Due to their strong and lasting relationships with customers, Associated Research instruments are found in leading manufacturing and laboratory environments around the globe.

Their customer base includes companies from the following industries: consumer electronics, contract manufacturers, appliance, solar, motor, lighting products, medical products, and cable manufacturers. Associated Research stands behind their products and provide excellent service and support. At Associated Research, electrical safety compliance testing is the only focus.

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