Product Highlights
Each input channel supports selectable long or short (fixed 100 ms) output pulse modes and handles high-speed pulse rates up to 72,000 pulses per hour in 3-Wire mode. A built-in transformer-isolated +13 VDC sense voltage supply serves both input channels, and per-channel LED indicators provide real-time status at a glance.
Protection and safety are built in throughout — MOV transient suppression eliminates the need for external components, all four “K” output leads are individually fused, and the polycarbonate enclosure provides reliable electrical insulation between circuits and the mounting surface.
Features
The SPR-24 delivers four flexible isolated pulse outputs across two independent input channels in one compact enclosure.
- Four isolated solid state Form C (K, Y & Z) dry contact outputs from two field-selectable Form A or C inputs
- Each output switch-assignable to follow either input channel
- Selectable long or short (fixed 100 ms) output pulse width per channel
- High-speed operation up to 72,000 pulses/hour (3-Wire) or 36,000 pulses/hour (2-Wire)
- Built-in transformer-isolated +13 VDC sense voltage for both input channels
- Solid state contacts rated at 125 VAC/VDC at 100 mA, 800 mW maximum
- Built-in MOV transient protection on solid state relay contacts
- Fused "K" output leads (1/10 amp, 3AG) on all four output channels
- 2,500Vrms input/output isolation voltage
- Per-channel red and green LED status indicators
Four Outputs, Two Input Channels
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