
Littelfuse JTD300ID
MPNJTD300ID
300A, 600V, Class J Time Delay Fuse|300 Amp Fuse, Time Delay, Brand or Series: Class J, Indicator, Interrupting Rating: 200000 Amp VAC RMS Symmetrical, Terminal Type: Bolt Mount, Dimensions: 2 Diameter x 7 1/8 Length Inch, Voltage Rating: 600 VAC, Material: Stone Sand and Granular Quartz Filler, Features: Time Delay Dual Element, Visual Indicator
$378.88 – $664.31Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Class J |
| Standard | Standard 248-8 UL Listed/CSA |
| Category | Current Limiting Fuses |
| Sub brand | POWR-GARD JTD Series |
| Application | Motor Control Centers |
| Manufacturer | Littelfuse, Inc. |
| Sub-Category | UL Power Fuse |
| Special features | Time-Delay |
| Manufacturer brand | Littelfuse, Inc. |
| Product description | Littelfuse JTD300ID Class J Time Delay Fuse |
| Full technical description | Class J Type; 7-1/8 Inch; UL 248-8, CSA, CE Approval; 600 VAC Voltage Rating; 2 Inch Diameter; 200000 Ampere (Symmetrical) Interrupting Rating; 300 Ampere Current Rating; Blade Terminal Type; Time Delay Characteristics; Powr-Gard [R], Powr-Pro [R], Slo-Blo [R] Brand; Includes Indicator; Application Fused Combination Motor Controllers to Provide IEC Type II (No Damage) Motor Branch-Circuit Short-Circuit and Ground Fault Protection, Motor Control Centers Transformer Protection, Protection For UL Listed Series-Rated Molded Case Circuit Breaker Panels, General Purpose Circuits-Mains, Feeders and Branch Circuits; JTD_ID Model |
| Proposition 65 warning | WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. |
MPN
JTD300ID