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| PartNumber | TB300-20 | TB300-20B | TB300-20SP |
| Description | Barrier Terminal Blocks BARRIER BLOCK | Barrier Terminal Blocks TERMINAL BLOCK | BARRIER BLOCK |
| Manufacturer | Eaton | Eaton | - |
| Product Category | Barrier Terminal Blocks | Barrier Terminal Blocks | - |
| RoHS | Y | Y | - |
| Product | Barrier Terminal Blocks | Barrier Terminal Blocks | - |
| Number of Positions | 20 Position | 20 Position | - |
| Pitch | 0.56 in | 0.56 in | - |
| Current Rating | 3 A | 3 A | - |
| Voltage Rating | 600 V | 600 V | - |
| Wire Gauge Range | 22 AWG to 8 AWG | 22 AWG to 8 AWG | - |
| Type | Terminal Block | Terminal Block | - |
| Number of Rows | 2 Row | 2 Row | - |
| Mounting Style | Panel | Panel | - |
| Series | TB300 | TB300 | - |
| Packaging | Bulk | Bulk | - |
| Contact Plating | Tin | Tin | - |
| Height | 0.81 in | 0.81 in | - |
| Housing Material | Thermoplastic (TP) | Thermoplastic (TP) | - |
| Length | 1.02 ft | 1.02 ft | - |
| Mounting Angle | Straight | Straight | - |
| Termination Style | Screw | Screw | - |
| Thread Size | 8-32 | 8-32 | - |
| Width | 1.33 in | 1.33 in | - |
| Brand | Bussmann / Eaton | Bussmann / Eaton | - |
| Contact Material | Brass | Brass | - |
| Flammability Rating | UL 94 V-0 | UL 94 V-0 | - |
| Maximum Operating Temperature | + 130 C | + 130 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Product Type | Barrier Terminal Blocks | Barrier Terminal Blocks | - |
| Factory Pack Quantity | 50 | 50 | - |
| Subcategory | Terminal Blocks | Terminal Blocks | - |
| Wire Gauge Max | 8 AWG | 8 AWG | - |
| Wire Gauge Min | 22 AWG | 22 AWG | - |
| Unit Weight | 7.199994 oz | 8 oz | - |