- Dual-Element, Time-Delay Fuses are Class RK5 rated at 250 Volts
- Typically used in power panel boards, motor controllers, starters, and machinery disconnects
| Type | Cartidge |
| Style | Time-Delay |
| Voltage | 250 VAC |
| Amps | 40 |
| Material | Fiber |
| Element | Dual |
| Length | 3" |
| Dia. | .81" |
| Series | FRN-R |
| Industry No. | FRN-R-40 |
| Indicating / Nonindicating | Nonindicating |
| Class | RK5 |
| Body Style | Cylindrical |
| Interrupt Rating | 200kA |
| Standards | CE, Std. 248-12, Class RK5,UL Listed, Guide JDDZ, File E4273, CSA Certified, Class1422-01, File 53787 |
| Application | Power Panelboards, Motor Control Centers, Combination Starters, Machinery Disconnects |
