JTD020 - 20 Amp Fuse Description
JTD020 - 20 Amp Fuse
The JTD020 is a 20A Class J time-delay fuse with clearly defined AC and DC ratings for your equipment that requires this specific fuse configuration. It carries a 20-amp continuous current rating, operates at up to 600VAC or 300VDC, and uses a Slo-Blo/Time Lag (T)/Time Delay opening characteristic. Shopping for a replacement? Matching the 20A rating is only the first check. Fuse class, time-delay operation, AC or DC voltage, interrupting capability, physical configuration, indicating status, and mounting requirements should all match the equipment specifications.
Key Features and Benefits
- 20A continuous current rating for equipment requiring a 20-amp Class J fuse
- Class J fuse classification
- Time-delay operation identified as Slo-Blo/Time Lag (T)/Time Delay
- Rated for a maximum of 600VAC
- Maximum DC voltage rating of 300VDC
- Industrial cartridge configuration
- Non-indicating design
- Part of the JTD Series
- POWR-PRO Fuse family style
- Mounts using a compatible fuse block, clip, or holder
- LFPSJ30 Series identified as the specified holder family
Technical Specifications
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Catalog Number: JTD020
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Series: JTD
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Product Type: Class J Time-Delay Fuse
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Continuous Current Rating: 20A
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Maximum AC Voltage: 600VAC
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Maximum DC Voltage: 300VDC
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Opening Characteristic: Slo-Blo / Time Lag (T) / Time Delay
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Fuse Class: Class J
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Family Style: POWR-PRO Fuse
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Size / Configuration: Industrial Cartridge
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Indicating: No
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AC Interrupting Value 1: 200,000A at 600VAC
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AC Interrupting Value 2: 300,000A at 600VAC
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DC Interrupting Rating: 20,000A at 300VDC
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Published Interrupting Rating: 20 kA at 300VDC
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Mounting Method: Fuse Block / Clip / Holder
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Specified Holder: LFPSJ30 Series
Material Compliance and Certifications
The supplied manufacturer information identifies the JTD020 as a 20A Class J time-delay industrial cartridge fuse in the JTD Series and POWR-PRO Fuse family. The provided specifications establish its current rating, AC and DC voltage limits, interrupting values, opening characteristic, non-indicating configuration, mounting method, and specified holder family.
Where It Works Best
The JTD020 20A Class J time-delay fuse suits electrical equipment that requires a 20A Class J fuse with time-delay operation and a non-indicating configuration. For AC service, confirm that the circuit and equipment requirements are within the fuse's 600VAC maximum rating and match the applicable AC interrupting requirements. For DC service, the supplied specifications provide a 300VDC maximum rating and a 20 kA interrupting rating at 300VDC.
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Littelfuse® is a registered trademark of Littelfuse, Inc. Products sold are surplus, used, or refurbished and are NOT supplied by Littelfuse, Inc. or its affiliates.
Specifications
- Width:0.8125
- Depth:0.8125
- Height:2.25
- Amperes:20
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:JTD
- Additional Notes:Industrial Cartridge Style, Non-Indicating, Time-delay, current-limiting Class J Fuse
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