JTD400-ID - 400 Amp Fuse Description
JTD400-ID - 400 Amp Fuse
When your equipment calls for a 400A indicating Class J fuse, matching the amperage is only part of the job. The JTD400-ID—identified by the manufacturer as JTD400ID—is a 400-amp Class J time-delay fuse with knife-blade construction and an indicating design. For replacement selection, compare the complete set of electrical and physical specifications with your equipment requirements, including Class J configuration, time-delay characteristic, voltage, interrupting requirements, indicating status, knife-blade construction, and holder compatibility.
Key Features and Benefits
- 400A continuous current rating for equipment requiring a 400-amp fuse
- Class J configuration provides an important specification for correct replacement matching
- Time-delay operation, identified as Slo-Blo/Time Lag (T)/Time Delay
- Indicating design distinguishes the JTD400-ID from a non-indicating configuration
- Rated for a maximum of 600VAC
- Maximum DC voltage rating of 500VDC
- Knife-blade construction gives buyers another physical characteristic to confirm when replacing an existing fuse
- Part of the JTD_ID Series
- Identified within the POWR-PRO Fuse family
- LFJ60400 Series is specified as the PG holder
Technical Specifications
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Catalog Number: JTD400-ID
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Manufacturer Catalog Reference: JTD400ID
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Series: JTD_ID
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Manufacturer Description: FUS 600V T/D CLASS J 400A INDICATING
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Product Type: Class J Time-Delay Indicating Fuse
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Continuous Current Rating: 400A
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Maximum AC Voltage: 600VAC
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Maximum DC Voltage: 500VDC
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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 500VDC
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Published Interrupting Rating: 20 kA at 500VDC
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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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Construction / Size: Knife-Blade
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Indicating: Yes
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Mounting Method: Fuse Block / Clip / Holder
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Specified PG Holder: LFJ60400 Series
Material Compliance and Certifications
The supplied product information confirms the JTD400-ID/JTD400ID electrical ratings, Class J designation, time-delay opening characteristic, knife-blade construction, indicating status, mounting method, and specified holder series.
Where It Works Best
The JTD400-ID 400A Class J time-delay indicating fuse is suited to electrical equipment designed for a 400A Class J indicating knife-blade fuse with the corresponding time-delay characteristics. In AC service, confirm that the equipment requirements fall within the 600VAC maximum rating and match the applicable manufacturer-supplied AC interrupting value. For DC service, verify compatibility with the 500VDC maximum voltage and 20 kA interrupting rating at 500VDC.
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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:2.0
- Depth:2.0
- Height:7.125
- Amperes:400
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:JTD
- Additional Notes:Knife-Blade Style, Indicating, Time-Delay, current-limiting Class J Fuse
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