Description
Differential Current Evaluation Device RCMS490-D-1 Differential Current Evaluator
High-precision differential current monitoring device designed for reliable residual current detection and evaluation in electrical systems.
| Brand | ABB |
| Model | RCMS490-D-1 |
| Voltage | 230 V AC |
| Country of Origin | Germany |
| Weight | 1.2 kg |
| Dimensions | 160 x 90 x 65 mm (HxWxD) |
| Warranty | 2 years |
| Certifications | CE, UL, IEC 61010 |
| SKU / MPN | RCMS490-D-1 |
| What’s in the box | Differential Current Evaluator unit, user manual, mounting accessories, calibration certificate |
| Measurement Range | 0.1 mA to 10 A |
| Output Signal | 4-20 mA analog output |
| Response Time | Less than 100 ms |
| Operating Temperature | -10°C to +55°C |
| Display | LCD with backlight |
| Communication Interface | Modbus RTU (RS485) |
Key benefits: Ensures accurate detection of residual currents to prevent electrical hazards, supports easy integration with existing monitoring systems, and offers robust performance in industrial environments.
Typical applications: Electrical safety monitoring in industrial plants, power distribution systems, building automation, and preventive maintenance of electrical installations.
Order number: Differential Current Evaluation Device RCMS490-D-1 Differential Current Evaluator
Lifecycle: Active product with ongoing support and updates
Documentation: User manual, installation guide, calibration certificate available upon request
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
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Competitively priced
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Orders usually ship the same day
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Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
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Mark O. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.