The Hubbell HBL21415B is a 3-pole locking plug rated for 30 A with 600 VAC and 250 VDC compatibility. It provides locking functionality to resist accidental disconnection when mated with a corresponding Hubbell locking receptacle, suitable for use in environments where a secure, vibration‑tolerant connector is needed. The model number HBL21415B denotes this specific 3P, 30A, 600VAC/250VDC locking plug, a compact option for applications requiring a reliable plug connection in industrial settings such as equipment power, control panels, or temporary installations where secure disconnection is undesirable.
