Astronics / EADS / Racal 1260-111 High Power Reed Form A/B Plug-In

The Astronics/EADS/Racal 1260-111 is a high-power reed relay plug-in module engineered for high-voltage and high-current switching in demanding test environments. This Form A/B configuration delivers 24 independent dry-reed relays - 12 Form A (SPST-NO) and 12 Form B (SPST-NC) - integrated into the Adapt-a-Switch™ family for seamless deployment in VXIbus or GPIB/RS232 switching systems. ## Technical Specifications • Contact Configuration: 12 × Form A (SPST-NO) + 12 × Form B (SPST-NC) independent dry-reed relays • Maximum Switching Voltage: 1000 VDC/VACpk-pk • Maximum Switching Current: 2 ADC or 2 AAC • Maximum Switching Power: 60 W • Maximum Switching VA: 60 VA • Contact Resistance: ≤ 500 mΩ initial path resistance • Thermal EMF: ≤ 40 µV • Insulation Resistance: ≥ 10⁹ Ω • Minimum Breakdown Voltage: 1.5 V • Switching Time: ≤ 2 ms (including settling) • Rated Switch Operations: 1,000,000 typical at 60 W resistive load • MTBF (MIL-STD-217E): ≥ 300,000 hrs • MTTR: ≤ 5 min ## Key Features • Operating temperature range 0°C to 55°C; storage to −40°C to 75°C • Operating altitude to 10,000 ft; non-operating to 15,000 ft • Environmental tolerance: 85% ±5% RH non-condensing at ≤35°C • Mechanical shock rated 30 g, 11 ms half-sine • Vibration performance 0.013 in pk-pk, 5–55 Hz • Meets EN61010-1:1993+A2:1995 safety; EN55-11A emissions; EN61326:1997+A1:1998 immunity • Compact form factor: 4.5" H × 0.75" W × 9.5" D, 12 oz (0.34 kg) ## Typical Applications High-power DC/AC switching, signal routing, automated test and measurement, relay matrix switching in laboratory and production environments. ## Compatibility & Integration Designed for the Racal Instruments™ 1260-100 Adapt-a-Switch™ Carrier (VXIbus with Option 01T for message and register-based operation) or the 1256 Switching Chassis (GPIB/RS232). Driver support available for LabWindows™/CVI and LabVIEW™. VXIplug&play compatible with Win32® frameworks. Requires 48-pin DIN connector (not supplied).