The Protector,thermal-Overload,elect, cataloged under National Stock Number 6110-01-372-6686, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6110-01-372-6686 |
| Primary Part Number | PB11B/KT11A4 |
| Item Name | Protector,thermal-Overload,elect |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| Phase | THREE |
| Current Type | AC/DC |
| Pole Quantity | 3 |
| End Item Identification Designator | PSA GENERATOR |
| Operation Type | AUTOMATIC |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Current Rating in Amps | 100.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| PB11B/KT11A4 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| 1551AS123-2 | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| PB11A/KT11A4 | 5/9 Secondary reference Automatic Switch Company Dba Asco |
NSN 6110-01-372-6686 is a Protector,thermal-Overload,elect, manufactured by Automatic Switch Company Dba Asco, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-01-372-6686 has 2 manufacturer part numbers on file: PB11B/KT11A4 (Automatic Switch Company Dba Asco), 1551AS123-2 (Rix Industries).
Key specifications for PB11B/KT11A4: Overall Height: 8.750 INCHES NOMINAL IN; Phase: THREE; Current Type: AC/DC; Pole Quantity: 3. 7 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.