| PartNumber | 2834229 | 2834216 | 2834203 |
| Description | Industrial Relays REL-IR/LDM-110DC/ 4X21AU | Industrial Relays REL-IR/LDM-48DC/ 4X21AU | Industrial Relays REL-IR/LDM-24DC/ 4X21AU |
| Manufacturer | Phoenix Contact | Phoenix Contact | - |
| Product Category | Industrial Relays | Industrial Relays | - |
| RoHS | Y | Y | - |
| Product | Industrial Relays | Industrial | - |
| Contact Termination | Quick Connect Terminal | Quick Connect Terminal | - |
| Relay Contact Form | 4 Form C (4PDT-NO, NC) | 4 Form C (4PDT-NO, NC) | - |
| Coil Termination | Quick Connect Terminal | Quick Connect Terminal | - |
| Coil Type | Non-Latching | Non-Latching | - |
| Coil Voltage | 110 VDC | 48 VDC | - |
| Switching Voltage | 250 VAC, 250 VDC | 250 VAC, 250 VDC | - |
| Mounting Style | Socket | Socket | - |
| Mounting Type | DIN Rail | DIN Rail | - |
| Contact Material | Silver Nickel (AgNi) | Silver Nickel (AgNi) | - |
| Series | REL-IR | REL-IR | - |
| Width | 21.5 mm | 21.5 mm | - |
| Height | 28 mm | 28 mm | - |
| Contact Form | 4PDT (4 Form C) | 4PDT (4 Form C) | - |
| Current Rating | 5 A | 5 A | - |
| Brand | Phoenix Contact | Phoenix Contact | - |
| Compliance | UL-C-US, VDE | UL-C-US, VDE | - |
| Product Type | Industrial Relays | Industrial Relays | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Relays | Relays | - |
| Tradename | INTERFACE Relay | INTERFACE Relay | - |
| Part # Aliases | REL-IR/LDM-110DC/4X21AU RELIRLDM110DC4X21AU | REL-IR/LDM-_48DC/4X21AU RELIRLDM48DC4X21AU | - |
| Unit Weight | 1.369688 oz | 1.371804 oz | - |