ZT3102 Marathon Special Products Zero Torque Power Distribution Block, 3-pole 175 A 600 V, push-in
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The Marathon Special Products ZT3102 is a 3-pole zero torque power distribution block rated 175 A at 600 V. Line side: (1) 2/0 to #10 AWG, mechanical compression lug. Load side: (2) #4 to #14 AWG and (6) #8 to #14 AWG, push-in per pole. The load terminals are push-in, so there is no load side torque step. Applied Control is the Marathon Special Products manufacturers' representative. Send the catalog number and quantity, and we send back a quote.
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ZT3102 specifications
| Catalog number | ZT3102 |
| Manufacturer | Marathon Special Products (Regal Rexnord) |
| Series | ZT zero torque power distribution block, enclosed |
| Poles | 3 |
| Ampere rating | 175 A |
| Voltage rating | 600 V (UL 1953, CSA C22.2 No. 158) |
| Line side, per pole | (1) 2/0 to #10 AWG, mechanical compression lug |
| Load side, per pole | (2) #4 to #14 AWG and (6) #8 to #14 AWG, push-in |
| Load terminal wire | Bare, ferruled or ultrasonically welded wire |
| Feeder circuit compliant | Yes |
| SCCR | 10,000 A default; higher ratings per the datasheet SCCR table |
| Touch protection | IP20 (IEC 60529) |
| Listing | UL Listed |
Specifications from the Marathon Special Products zero torque power block page and datasheet (marathonsp.com). The SCCR depends on wire size and the upstream fuse or breaker. Confirm against the current datasheet before installation.
Where ZT blocks fit
ZT blocks take one feeder per pole and split it to 6 or 8 loads. The load wires push in. No torque driver, no torque log on the load side. They come in 85 A (2 or 3-pole) and 175 A (3-pole). Send the feeder size, load count and the upstream protection and we will check the SCCR with you.
See the Marathon collection or the cross reference hub.