1322972 Marathon Special Products Open Splicer Power Block, 2-pole 175 A 600 V, 2/0 to #14 AWG line
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The Marathon Special Products 1322972 is a 2-pole open style splicer power block rated 175 A at 600 V. Each pole takes one 2/0 to #14 AWG copper conductor in and one out. Copper connectors. 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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1322972 specifications
| Catalog number | 1322972 |
| Manufacturer | Marathon Special Products (Regal Rexnord) |
| Series | 132 series open style power block |
| Style | Open, splicer block |
| Poles | 2 |
| Ampere rating | 175 A |
| Voltage rating | 600 V |
| Connector material | Copper |
| Line side, copper wire | 2/0 to #14 AWG, 1 opening per pole |
| Line side, aluminum wire | 2/0 to #6 AWG |
| Load side, copper wire | 2/0 to #14 AWG, 1 opening per pole (same size in and out) |
| Load side, aluminum wire | 2/0 to #6 AWG |
| Insulator | Black thermoplastic, rated to 125°C, UL 94 V-0 |
| Mounting | Panel mount or DIN rail (132 series) |
| Feeder circuit spacing per UL 508 | Marathon marks feeder spacing on the 152 and 134 series. For a UL 508A feeder circuit, ask us for the feeder rated equivalent |
| Cover part number | CH1322 |
| Dimensions (L x W x D) | 1.82" x 3" x 2.42" |
| Agency approvals | UL Recognized, Canadian UL Recognized, CE Compliant |
| Country of origin | USA |
Specifications from the Marathon Special Products power block selector and open splicer and distribution catalog page (marathonsp.com). Ratings depend on wire size and type. Confirm against the current datasheet before installation.
Mersen 66052 cross
Mersen (formerly Ferraz Shawmut) lists 1322972 as the Marathon match for Mersen 66052 in its published cross reference guide. If your print or bill of material calls for 66052, send it and we quote the 1322972. Check the wire range and mounting holes before you swap.
Reading the catalog number
Marathon open blocks use one number per family with the pole count in the fourth digit. 1321570 is 1-pole, 1322570 is 2-pole, 1323570 is 3-pole. The last three digits set the connector layout. 570 and 580 are aluminum distribution blocks with 4 and 6 taps. 970 is the copper 4 tap version. 572 and 972 are aluminum and copper splicers. 587 gives 8 taps: two #4 and six #8.
Pick the block by the feeder amps, then the line conductor, then the number of taps per pole. If the panel is UL 508A and the block sits on a feeder, tell us. We will match the feeder rated series. Send the drawing or the wire list and we check it with you.
See the Marathon collection, the enclosed EPB power blocks, the ZT zero torque blocks, the Mersen to Marathon power block cross reference, or the cross reference hub.