12 A Fast-Acting Supplemental Rating
Provides 12 A fast-acting supplemental protection for compatible control and DC circuits.
Technical specifications, features, applications and purchasing information.
| Brand | Bussmann |
| Model Number | KLM-12 |
| Product Category | Fast-Acting Midget Fuse |
| Series | KLM / Limitron |
| Fuse Type | Fast-Acting Supplemental Fuse |
| Amperage Rating | 12 A |
| Voltage Rating | 600 Vac / 600 Vdc |
| Interrupt Rating (AC) | 100 kAIC at 600 Vac |
| Interrupt Rating (DC) | 50 kAIC at 600 Vdc |
| Fuse Size | 13/32 in x 1-1/2 in (10.3 mm x 38.1 mm) |
| Package / Case | 5AG Midget, Cylindrical |
| Body Material | Melamine Tube |
| Endcap Material | Nickel-Plated Bronze |
| Connection | Ferrule End x Ferrule End |
| Indicator | Non-Indicating |
| Electrical Characteristics | 110% Rating: 4 Hours Minimum; 135% AC Rating: Opens Within 1 Hour |
| Compliances | UL Listed (Std. 248-14, Guide JDYX, File E19180); CSA Certified (C22.2 No. 248.14, Class 1422-01, File 53787); CE; RoHS Compliant |
| Typical Applications | DC Control Circuits Requiring Fast-Acting Fuses; PV Systems up to 600 Vdc |
Provides 12 A fast-acting supplemental protection for compatible control and DC circuits.
Supports AC and DC applications up to 600 V, including DC control circuits and PV systems within the documented range.
Published interrupt ratings for short-circuit protection in systems within the fuse ratings.
Standard 5AG midget dimensions for compatibility with midget fuse holders, blocks, and DIN-rail accessories.
Melamine tube construction with nickel-plated bronze endcaps, per the KLM series technical specification.
Documented as a full-range DC supplemental fuse for DC control circuits and PV systems up to 600 Vdc.
We support online purchase of the Bussmann KLM-12 Fast-Acting Midget Fuse. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
What is the Bussmann KLM-12? The KLM-12 is a 12 A fast-acting supplemental midget fuse in the Bussmann KLM series.
What are the AC and DC voltage ratings? 600 Vac and 600 Vdc.
What interrupt rating does KLM-12 provide? 100 kAIC at 600 Vac and 50 kAIC at 600 Vdc.
What size is the KLM-12 fuse? 13/32 in x 1-1/2 in (10.3 mm x 38.1 mm), 5AG midget package.
Is KLM-12 indicating or non-indicating? Non-indicating.
What are the body and endcap materials? Melamine tube body and nickel-plated bronze endcaps.
What are the electrical characteristics at 110% and 135%? 110% of rating: carries for 4 hours minimum; 135% AC rating: opens within 1 hour.
What approvals does KLM-12 carry? UL Listed (Std. 248-14, Guide JDYX, File E19180), CSA Certified (C22.2 No. 248.14, Class 1422-01, File 53787), CE, and RoHS compliant.
Can KLM-12 be used in DC control circuits? Yes. The KLM series is documented for DC control circuits requiring fast-acting fuses, as well as PV systems up to 600 Vdc.
What should be confirmed before ordering KLM-12? Confirm the 12 A current requirement, 600 Vac/600 Vdc system voltage, available fault current against the interrupt ratings, fuse holder compatibility with the midget size, and required agency listings for the installation.
Send us your part number and technical requirements.