Description
Honeywell 190971B
Precision electromechanical chopping relay for converting DC signals into AC pulses in industrial control and instrumentation systems
| Brand | Honeywell |
| Model | 190971B |
| Voltage | 28V DC |
| Country of Origin | USA |
| Weight | 0.15 kg |
| Dimensions | 52x40x32 mm |
| Warranty | 6 months |
| Certifications | CE, UL, MIL-PRF-2135 |
| SKU / MPN | 190971B |
| What’s in the box | Chopping relay assembly, mounting hardware, installation manual |
| Coil Voltage | 28V DC nominal |
| Contact Configuration | DPDT (Double Pole Double Throw) |
| Chop Frequency | 25-75 Hz adjustable |
| Contact Rating | 2A @ 28V DC resistive |
| Insulation Resistance | 1000 MΩ @ 500V DC |
| Operating Temperature | -40°C to +85°C |
Key benefits: High reliability, low contact bounce, precise chop frequency, rugged construction, long mechanical life, compatible with Honeywell instrumentation platforms
Typical applications: Industrial signal conditioning, DC-to-AC conversion, process control instrumentation, aerospace test equipment, laboratory measurement systems, relay-based pulse generation
Lifecycle: Legacy product, limited availability, recommend verifying stock and lead time before ordering
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Patricia E. –
The power supply unit is stable under full load. Better than expected.