Class: Supplemental
Description:
Fast-acting supplementary fuse.
• For control, gaseous vapor fixture, and HID ballast; electronic circuits.
• Melamine cartridge.
• Slightly more delay than type BBS to override transient currents.
• Mounts in Buss panel-mount fuseholders HPS-L, BM-series blocks, or 13/32” clips.
Construction: Fiber cartridge.
Dimensions: 13⁄32” x 13⁄8” (10.3 x 34.9mm).
![](/uploads/spec-pics/201305/KTQ-cooper-bussmann-Dimensions.jpg)
Ratings:
Volts: 600Vac
Amps: 1-6A
IR: 10kA RMS Sym.
Agency Information: CE, Std. 248-14, UL Recognized, 4-6A, Guide JDYX2, File E19180.
Features and Benefits
• Low cost supplemental protection of non-inductive circuits
• Rated for application in circuits at 600V or less.
• Reduced interchangeability with other supplemental fuses minimizes misapplication
Typical Applications
• Control Circuits
• Lighting Ballasts
• Meter Circuits
Catalog Numbers (Amps) (600Vac)
KTQ-1 | KTQ-2 | KTQ-4 | KTQ-6 |
KTQ-1-6/10 | KTQ-3 | KTQ-5 |
Test Specifications
Load | Opening Time |
110% | Indefinitely |
135% | 1 hr. (max.) |
Time-Current Characteristic Curves–Average Melt
(Full Size Curves Available)
![](/uploads/spec-pics/201305/KTQ-cooper-bussmann-Time-Current-Characteristic-Curves.jpg)