AC Protection & Motor Control in HVAC Solutions

Littelfuse AC Protection and Motor Control in HVAC Solutions are essential to improve energy efficiency in commercial and industrial buildings. These solutions include fuses, surge protection devices, voltage monitors, transducers, sensors, and time delay relays. Littelfuse AC Protection and Motor Control in HVAC products are designed for control units, rectifiers, inverters, communication interfaces, and user interfaces.

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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Body Style
Mounting Style
Termination Style
Class
Fuse Size / Group
Indicator Style
Packaging
Resistance
Series
Littelfuse Industrial & Electrical Fuses 500A 700VAC 700VDC FF L70QS POWR-SPEED
Datasheet
4In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 500 A 700 VAC Fast-Acting Fuses 700 VDC 200 kA Bolt Down Class aR Fuses Without Indicator Bulk L70QS
Littelfuse Industrial & Electrical Fuses 750V FAST BLOW 225A
Datasheet
3In Stock
Min.: 1
Mult.: 1
Semiconductor Fuses 225 A 750 VDC 50 kA Round Body Fuses Stud Bolt Down Without Indicator Bulk L75
Littelfuse Industrial & Electrical Fuses 750VDC HIGHSPEED SEMICONDUCTOR FUSE 600A
Datasheet
2In Stock
Min.: 1
Mult.: 1
Semiconductor Fuses 600 A 750 VDC 50 kA Round Body Fuses Stud Bolt Down Without Indicator Bulk L75
Littelfuse Industrial & Electrical Fuses 200A 700VAC SIZE 30 POWER-SPEED FLUSH M
Datasheet
3In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 200 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 30 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 80A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 80 A 1.3 kVAC Fast-Acting Fuses 1 kVDC 100 kA, 150 kA Threaded Class aR Fuses 70 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 250A 1000V SIZE 70 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 250 A 1.3 kVAC Fast-Acting Fuses 1 kVDC 100 kA, 150 kA Threaded Class aR Fuses 70 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 200A 1000V SIZE 70 Flush End In Thread
Datasheet
1In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 200 A 1.3 kVAC Fast-Acting Fuses 1 kVDC 100 kA, 150 kA Threaded Class aR Fuses 70 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 70 US LONG BL 50A
Datasheet
1In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 50 A Fast-Acting Fuses Knife Blade Class aR Fuses 70 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 400A 1250VAC SIZE 71 POWER-SPEED FLUSH M
Datasheet
3In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 400 A 1.3 kVAC Fast-Acting Fuses 1 kVDC Quick Connect Class aR Fuses 71 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 700A 1250V SIZE 73 Flush End Mtrc Thred
Datasheet
1In Stock
Min.: 1
Mult.: 1

Semiconductor Fuses 700 A 1.3 kVAC Fast-Acting Fuses 1 kVDC 100 kA, 150 kA Threaded Class aR Fuses 73 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 5A 600VAC Class J
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 5 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Without Indicator Bulk JTD
Littelfuse Industrial & Electrical Fuses 10A 600VAC Class J
Datasheet
38In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 10 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Without Indicator Bulk JTD
Littelfuse Industrial & Electrical Fuses 15A 600VAC Class J
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 15 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Element Window Bulk JTD_ID
Littelfuse Industrial & Electrical Fuses 20A 600VAC Class J
Datasheet
19In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 20 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Without Indicator Bulk JTD
Littelfuse Industrial & Electrical Fuses 25A 600VAC Class J
Datasheet
6In Stock
1On Order
Min.: 1
Mult.: 1
No
Current Limiting Fuses 25 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Without Indicator Bulk JTD
Littelfuse Industrial & Electrical Fuses 25A 600VAC Class J
Datasheet
2In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 25 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Element Window Bulk JTD_ID
Littelfuse Industrial & Electrical Fuses 30A 600VAC Class J
Datasheet
1In Stock
4Expected 12/2/2026
Min.: 1
Mult.: 1
No
Current Limiting Fuses 30 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Element Window Bulk JTD_ID
Littelfuse Industrial & Electrical Fuses 40A 600VAC Class J
Datasheet
1In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 40 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Element Window Bulk JTD_ID
Littelfuse Industrial & Electrical Fuses 45A 600VAC Class J
Datasheet
7In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 45 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Without Indicator Bulk JTD
Littelfuse Industrial & Electrical Fuses 50A 600VAC Class J
Datasheet
5In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 50 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Without Indicator Bulk JTD
Littelfuse Industrial & Electrical Fuses 50A 600VAC Class J
Datasheet
3In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 50 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Element Window Bulk JTD_ID
Littelfuse Industrial & Electrical Fuses 60A 600VAC Class J
Datasheet
5In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 60 A 600 VAC Time-Delay Fuses 300 VDC 20 kA Cartridge Fuses Holder Clip Class J Fuses Element Window Bulk JTD_ID
Littelfuse Industrial & Electrical Fuses 125A 600VAC Class J
Datasheet
4In Stock
Min.: 1
Mult.: 1
No
Current Limiting Fuses 125 A 600 VAC Time-Delay Fuses 500 VDC 20 kA Cartridge Blade Fuses Holder Knife Blade Class J Fuses Without Indicator Bulk JTD
Littelfuse Industrial & Electrical Fuses 1A 250VAC 125VDC Class RK5
Datasheet
36In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 1 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR
Littelfuse Industrial & Electrical Fuses 4A 250VAC 125VDC Class RK5
Datasheet
8In Stock
Min.: 1
Mult.: 1
No
Surge Suppression Fuses 4 A 250 VAC Time-Delay Fuses 125 VDC 20 kA Cartridge Fuses Holder Clip Class RK5 Fuses Without Indicator Bulk FLNR