| Part Number | GDBAD421Z | GDBAD451Z | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | Terminal Blocks - Power Distribution | Terminal Blocks - Power Distribution | 
|   |   | |
| Product Status | Active | Active | 
| Type | Power Distribution Block | Power Distribution Block | 
| Number of Poles | 1 | 1 | 
| Line Side Connections Per Pole | 1 | 1 | 
| Load Side Connections Per Pole | 1 | 4 | 
| Line Side Connection Type | Screw Connection | Screw Connection | 
| Load Side Connection Type | Screw Connection | Screw Connection | 
| Line Side Wire/Stud Size | 3/0 - #8CU/AL | 3/0 - #8CU/AL | 
| Load Side Wire/Stud Size | 3/0 - #8CU/AL | 2 - #8CU/AL; 8 - #14CU/AL | 
| Voltage - Rated | 600 V | 600 V | 
| Current Rating (Amps) | 200 A | 200 A |