JTD250-ID - 250 Amp Fuse Description
JTD250-ID - 250 Amp Fuse
When your equipment calls for an indicating 250A Class J time-delay fuse, the details beyond amperage matter. The JTD250-ID—manufacturer catalog reference JTD250ID—is a 250-amp fuse from the JTD_ID Series, with Slo-Blo/Time Lag (T)/Time Delay operation and knife-blade construction. Rather than matching on “250A” alone, confirm the Class J requirement, time-delay characteristic, voltage and interrupting ratings, indicating design, physical configuration, and holder requirements against the equipment specifications.
Key Features and Benefits
- 250A continuous current rating for equipment specified for a 250-amp fuse
- Class J fuse configuration for applications requiring this particular fuse class
- Indicating design provides the specified indicating configuration
- Slo-Blo/Time Lag (T)/Time Delay opening characteristic
- Rated for a maximum of 600VAC
- Also rated for a maximum of 500VDC
- Knife-blade construction gives you another important physical detail to verify during replacement
- Part of the JTD_ID Series
- Identified within the POWR-PRO Fuse family
- Specified for mounting in a fuse block, clip, or holder
- LFJ60400 Series is the specified holder family
Technical Specifications
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Catalog Number: JTD250-ID
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Manufacturer Catalog Reference: JTD250ID
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Series: JTD_ID
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Manufacturer Description: FUS 600V T/D CLASS J 250A INDICATING
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Product Type: Class J Time-Delay Indicating Fuse
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Continuous Current Rating: 250A
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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 Holder Series: LFJ60400 Series
Material Compliance and Certifications
The supplied product information confirms the JTD250-ID/JTD250ID electrical ratings, Class J designation, time-delay opening characteristic, indicating status, knife-blade construction, mounting method, and holder series described above.
Where It Works Best
The JTD250-ID suits electrical equipment designed for a 250A Class J time-delay indicating fuse with corresponding electrical and physical requirements. For AC equipment, confirm compatibility with the 600VAC maximum rating and the applicable manufacturer-supplied AC interrupting value. For DC equipment, verify the 500VDC maximum rating and 20 kA interrupting rating at 500VDC against the equipment requirements.
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Specifications
- Width:2.0
- Depth:2.0
- Height:7.125
- Amperes:250
- 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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