Astronics / EADS / Racal 1260-30A Multiplexer VXI Module

The Astronics/EADS/Racal 1260-30A is a C-size, single-slot VXI multiplexer module engineered for high-power signal routing in automated test systems. This relay-based scanner delivers flexible channel configurations - from a single 1×40 network to eight 1×5 networks - enabling tailored solutions for diverse switching requirements. Operating at up to 250 V and 2 A, with 10 MHz bandwidth and sub-10 ms switching time, the 1260-30A handles demanding measurement and data acquisition workloads while maintaining 100,000,000 mechanical switch cycles. ## Technical Specifications • Form Factor: C-size, single-slot VXI module • Maximum Switching Voltage: 250 V DC or AC • Maximum Switching Current: 2 A DC or AC • Bandwidth: 10 MHz • Switching Time: <10 ms (including settling) • Switch Lifetime: 100,000,000 mechanical operations • Operating Temperature: 0°C to 55°C • Humidity (non-condensing): Up to 95% at 30°C • Operating Altitude: Up to 10,000 ft • Weight: Approximately 5 lbs ## Key Features • Configurable Channel Architecture: Select from 1×40, 2×20, 4×10, or 8×5 two-wire multiplexer networks • High-Power Capability: Rated for significant switching loads within compact form factor • Relay Coil Current Monitoring: Built-in confidence checking for relay operation verification • User-Supplied Terminators: Circuit pads accommodating field-installed termination networks • Message-Based Control: Option 01 Smart Card interface for VXIbus command and status management ## Typical Applications • Automated signal routing in production test systems • Multi-channel data acquisition environments • High-voltage/high-current switching matrices • Sensor multiplexing for lab and field instrumentation ## Compatibility & Integration The 1260-30A integrates directly into VXI-based test platforms via standard VXIbus backplane connectivity. Control implementation requires the Option 01 Smart Card for message-based interface operations.