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See Product Specifications
| Part Number: | SR4D4021 |
| Category: | Relays |
| Subcategory: | Safety Relays |
| Manufacturer: | TE Connectivity Potter & Brumfield Relays |
| Packaging: | Tube |
| Product Status: | Active |
| Mounting Type: | Through Hole |
| Coil Voltage: | 21VDC |
| Contact Form: | 4PST-2NO/2NC (2 Form A, 2 Form B) |
| Contact Rating (Current): | 8 A |
| Switching Voltage: | 400VAC - Max |
| Features: | - |
| Termination Style: | PC Pin |
| Must Operate Voltage: | 16 VDC |
| Must Release Voltage: | 2.1 VDC |
| Operate Time: | - |
| Release Time: | - |
| Operating Temperature: | -25°C ~ 70°C |
| Contact Material: | Silver Tin Oxide (AgSnO) |
