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The ABB RD3M (2CSJ202001R0002) is an advanced residual current monitoring relay with milliamp-level sensitivity, designed for detecting low-level earth fault currents in earthed power systems. It offers an adjustable response range of 1 mA to 500 mA and a 60% pre-alarm threshold for early warning. The relay includes integrated frequency filtering and 2 output contacts, operating from a 230/400 V AC supply. Type A certified and DIN rail mounted for installation in industrial and commercial distribution panels.
| Product Type | Current Monitoring Relay |
| Model | RD3M |
| Order Code | 2CSJ202001R0002 |
| Supply Voltage | 230/400 V AC |
| Type | Type A |
| Response Range | 1 mA - 500 mA adjustable |
| Pre-alarm Threshold | 60% of set value |
| Frequency Filtering | Yes |
| Output Contacts | 2 contacts |
| Mounting Type | DIN rail |
Fast worldwide shipping via DHL/FedEx/UPS. 1-year warranty. New surplus in stock. Bulk inquiry welcome.
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Economy shipping takes 9–14 business days, while express delivery arrives in 5–8 business days, both subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
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