LA30QS550-4

Special Purpose Fuses Special Purpose Fuses LA30QS Semiconductor Fuses 300 VAC    Very Fast Acting    35 – 4500 Amperes Littelfuse LA30QS series Semiconductor protection fuses are intended for the protection of Power Semiconductors such as diodes, phase control SCR’s and other power semiconductor devices. The LA30QS is recommended for new applications providing solutions for your critical protection needs for 300V and less semiconductors. Features Low I2t minimizes damage to protected components on short-circuit. Controlled arc voltage reduces stress to circuit components during fuse clearing. Choice of mounting types provides options for unique termination requirements. Indicator options allow identification of blown fuses. Superior DC capabilities. Applications Protection of 300 volt heavy duty rectifiers and similar heavy duty power supplies. Ordering Information Contact Littelfuse for characteristic curves. 90 LA 30 QS 600 -4 TI Littelfuse Voltage (300) Style Ampere Rating Mounting Type Ferrule Blades/Bolt-in Hockey Puck, bolt-in 1 4 128 Integral BlownFuse Indicator Trigger Indicator Trigger Actuator TI IL Note: Mounting types and integral blown fuse indicators are optional for specified ratings. Specifications Voltage Rating: Interrupting Rating: Ampere Range: Approvals: AC: 300 volts DC: 300 volts 200,000 Amperes 35 – 4500 Amperes UL Recognized under the components program. www.littelfuse.com © 2005 Littelfuse PO...