OMRON
Omron SAO-SU2N 200/220/240V AC Undercurrent Sensor
Omron SAO-SU2N 200/220/240V AC Undercurrent Sensor
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Omron SAO-SU2N Undercurrent Sensor
| Specification | Verified Product Data |
|---|---|
| Manufacturer | OMRON Corporation |
| Catalog Number | SAO-SU2N |
| Product Type | Solid-state Current Sensor |
| Detection Function | Undercurrent Detection |
| Operating Characteristic | Instantaneous |
| Control Supply Voltage | 200/220/240V AC |
| Allowable Supply Voltage | 85–110% of rated voltage |
| Supply Frequency | 50/60Hz |
| Allowable Frequency Variation | ±5% of rated frequency |
| Power Consumption | Approx. 7VA |
| Contact Configuration | 1c (SPDT) |
| AC Contact Rating | 3A at 240V AC (cos φ = 1.0); 2A (cos φ = 0.4) |
| DC Contact Rating | 3A at 24V DC (L/R = 0ms); 2A (L/R = 7ms) |
| Motor Circuit Rated Voltage | Three-phase, up to 500V AC with compatible SET converter |
| Current Setting Ranges | 1–2.5A / 2–5A / 4–10A / 8–20A / 16–40A / 32–80A / 64–160A |
| Compatible Current Converter | Omron SET-3A or SET-3B, selected according to the required range |
| Mounting | Plug-in / DIN rail via compatible socket |
| Country of Origin | Japan (photographed label) |
| Serial Number | 5X1574 (photographed label) |
Product Overview
The Omron SAO-SU2N is a solid-state undercurrent sensor designed for compatible industrial motor current monitoring systems. It uses a 200/220/240V AC control supply at 50/60Hz and provides an instantaneous undercurrent detection function. The sensor is intended for monitoring three-phase AC motor circuits through a compatible Omron SET current converter. Depending on the converter and configuration, the supported current setting ranges extend from 1–2.5A to 64–160A. The device has a single changeover (SPDT) output contact for integration into compatible control and monitoring circuits. It is not an overcurrent-only sensor, and the selected current threshold must be configured according to the motor and application requirements. The supplied product and packaging photographs both identify the model as SAO-SU2N. The product marking also confirms the 200/220/240V AC supply, 50/60Hz frequency, serial number 5X1574 and Made in Japan identification.
Key Product Features
- Undercurrent Detection — Designed to detect motor current falling below the configured threshold.
- 200/220/240V AC Supply — Manufacturer-specified control supply voltage.
- 50/60Hz Operation — Supports the specified AC supply frequency.
- Instantaneous Operating Characteristic — Provides instantaneous undercurrent detection according to manufacturer specifications.
- Three-Phase Motor Monitoring — Operates with a compatible SET current converter.
- Multiple Current Setting Ranges — Supports settings from 1–2.5A through 64–160A, depending on the selected converter and configuration.
- SPDT Output Contact — Supports integration into compatible industrial control circuits.
Actual Product Verification
In Stock & Available to Order
Omron SAO-SU2N is listed as IN STOCK based on the supplied inventory information. It is suitable for procurement teams sourcing compatible motor current monitoring and undercurrent detection components. Before ordering, please confirm the control supply voltage, required current setting range, compatible SET current converter, motor circuit requirements and installation arrangement. The manufacturer's instructions should be followed when selecting the current threshold and connecting the sensor.
Omron SAO-SU2N Undercurrent Sensor
Contact YINGZHOU for SAO-SU2N availability, quantity pricing and industrial replacement sourcing. Please confirm the 200/220/240V AC supply and compatible current converter before ordering.
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