Description
Differential Current Evaluation Device RCMS490-D-2 Residual Current Measurement Unit
High-precision residual current measurement unit designed for reliable monitoring and safety in electrical installations.
| Brand | ABB |
| Model | RCMS490-D-2 |
| Voltage | 230 V AC |
| Country of Origin | Germany |
| Weight | 1.2 kg |
| Dimensions | 90 x 70 x 65 mm (HxWxD) |
| Warranty | 2 years |
| Certifications | CE, UL, IEC 61010 |
| SKU / MPN | RCMS490-D-2 |
| What’s in the box | Residual Current Measurement Unit, User Manual, Mounting Accessories |
| Measurement Range | 0 to 500 mA |
| Output Signal | 4-20 mA / Pulse Output |
| Response Time | ≤ 30 ms |
| Operating Temperature | -10°C to +55°C |
| Mounting Type | DIN Rail |
| Display | LED Status Indicators |
| Communication Interface | Modbus RTU (optional) |
Key benefits: Ensures enhanced electrical safety by accurately detecting residual currents, preventing electrical faults and potential hazards. Easy integration with existing systems and robust design for industrial environments.
Typical applications: Electrical safety monitoring in industrial plants, commercial buildings, power distribution panels, and machinery protection.
Order number: Differential Current Evaluation Device RCMS490-D-2 Residual Current Measurement Unit
Lifecycle: Active product with ongoing support and updates
Documentation: User manual, installation guide, and technical datasheet 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
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
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Orders usually ship the same day
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Individually inspected
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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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William G. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.