# KOHLER Auto Transfer Switch, 100 Amps, 240V - 21AC42|RXT-JFNC-0100A-QS2 - Grainger

**Manufacturer:** KOHLER  
**MPN:** `RXT-JFNC-0100A-QS2`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | KOHLER |
| Manufacturer name | KOHLER |
| Manufacturer | KOHLER |
| DimensionUnit | inch |
| Extra Product Name | KOHLER Auto Transfer Switch, 100 Amps, 240V - 21AC42\|RXT-JFNC-0100A-QS2 - Grainger |
| UNSPSC | 26111604 |
| Voltage | 240 |
| depth | 7.125 |
| height | 24.375 |
| height_Attrib | Height |
| length | 7.125 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | RXT-JFNC-0100A-QS2 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 21AC42 |
| tierMinQty1 | 1 |
| tierPrice1 | 505.5 |
| width | 13.1875 |
| width_Attrib | Width |
| Item | Automatic Transfer Switch |
| Phase | 1 |
| NEMA Enclosure Type | 3R |
| Load Transition Type | Contactor Electrically and Mechanically Interlocked |
| Installation | Standard |
| Max Amps | 100 |
| Height | 24-3/8" |
| Width | 13-3/16" |
| Depth | 7-1/8" |
| Enclosure Material | Aluminum |
| 2-Wire Start | No |
| Warranty | 5 yr. |
| Automatic Exerciser | Yes |
| Color | Gray |
| For Use With | Kohler model RESA, RESAL, or RCL Generators Equipped with RDC2 or DC2 Controllers |
| Lockable | Yes |
| Manual Override | Yes |
| Max Wire Size | 1/0 AWG |
| Repeat of Exercise Cycle | 7 |
| Sensing Generator Hz | 60 |
| Sensing Line Failure | Yes |
| Sensing Under Volts | Yes |
| Time Delay Neutral | Yes |
| Time Delay Retransfer | Yes |
| Time Delay Transfer | Yes |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Grainger | 21AC42 | 505.5 | 1 | None | 1 |
| Zoro | G5639067 | 378.27 | 1 | None | 1 |

---
Structured data: `/python/html6/product/500/180000000/180193500/part_--RXTJFNC0100AQS2---KOHLER--c27a04053a.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp