| PartNumber | 5520705 | 5520721 | 5520734 |
| Description | Industrial Relays UMK 22 REL 120/21-ST | Industrial Relays UMK 22 REL 120/21-21 | Industrial Relays UMK22 REL 24/21-21ST |
| Manufacturer | Phoenix Contact | Phoenix Contact | Phoenix Contact |
| Product Category | Industrial Relays | Industrial Relays | Industrial Relays |
| RoHS | N | N | N |
| Product | Industrial Relays | Industrial Relays | Industrial Relays |
| Contact Termination | Screw | Screw | Screw |
| Relay Contact Form | 1 Form C (SPDT-NO, NC) | 2 Form C (DPDT-NO, NC) | 2 Form C (DPDT-NO, NC) |
| Coil Termination | Screw | Screw | Screw |
| Coil Type | Non-Latching | Non-Latching | Non-Latching |
| Coil Voltage | 120 VAC | 120 VAC | 24 VAC, 24 VDC |
| Switching Voltage | 250 VAC, 30 VDC | 250 VAC, 30 VDC | 250 VAC, 30 VDC |
| Mounting Style | DIN Rail | DIN Rail | DIN Rail |
| Contact Material | Silver Cadmium Oxide (AgCdO) | Silver Cadmium Oxide (AgCdO) | Silver Cadmium Oxide (AgCdO) |
| Length | 77 mm | - | 77 mm |
| Width | 22.5 mm | 22.5 mm | 22.5 mm |
| Height | 77 mm | 77 mm | 77 mm |
| Application | Industrial | Industrial | Industrial |
| Contact Form | SPDT (1 Form C) | DPDT (2 Form C) | DPDT (2 Form C) |
| Current Rating | 10 A | 5 A | 5 A |
| Brand | Phoenix Contact | Phoenix Contact | Phoenix Contact |
| Product Type | Industrial Relays | Industrial Relays | Industrial Relays |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Relays | Relays | Relays |
| Tradename | INTERFACE Relay | INTERFACE Relay | INTERFACE Relay |
| Part # Aliases | UMK_22_REL_120/21-ST UMK22REL12021ST | UMK_22_REL_120/21-21-ST UMK22REL1202121ST | UMK_22_REL_24/21-21-ST UMK22REL242121ST |
| Unit Weight | 1.763698 oz | 2.400040 oz | 2.172876 oz |
| Contact Current Rating | - | 5 A | 5 A |
| Coil Current | - | 4 mA | - |