| PartNumber | 3031403 | 3031432 | 3031429 |
| Description | DIN Rail Terminal Blocks ST-4 TWIN BU | DIN Rail Terminal Blocks STTB 4 BU | DIN Rail Terminal Blocks STTB 4 |
| Manufacturer | Phoenix Contact | Phoenix Contact | - |
| Product Category | DIN Rail Terminal Blocks | DIN Rail Terminal Blocks | - |
| RoHS | Y | Y | - |
| Type | Wire to Wire | Wire to Wire | - |
| Number of Positions | 3 Position | 4 Position | - |
| Current Rating | 32 A | 30 A | - |
| Voltage Rating | 800 V | 500 V | - |
| Wire Gauge Range | 28 AWG to 10 AWG | 28 AWG to 10 AWG | - |
| Connection Method | Spring Cage | Spring Cage | - |
| Color | Blue | Blue | - |
| Housing Material | Polyamide (PA) | - | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Length | 71.5 mm | 83.5 mm | - |
| Width | 6.2 mm | 6.2 mm | - |
| Height | 44 mm | - | - |
| Series | ST | STTB | - |
| Brand | Phoenix Contact | Phoenix Contact | - |
| Product Type | DIN Rail Terminal Blocks | DIN Rail Terminal Blocks | - |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | Terminal Blocks | Terminal Blocks | - |
| Tradename | CLIPLINE | CLIPLINE | - |
| Wire Gauge Max | 10 AWG | 10 AWG | - |
| Wire Gauge Min | 28 AWG | 28 AWG | - |
| Part # Aliases | ST_4-TWIN_BU ST4TWINBU | STTB_4_BU STTB4BU | - |
| Unit Weight | 0.390589 oz | 0.583819 oz | - |