Square D QJL Series Circuit Breakers
The Square D QJL series is a high-interrupting PowerPact Q-Frame molded case circuit breaker rated for 250A frame size and 240VAC operation. QJL breakers provide 100kA interrupting capacity at 240V.
Series Specifications
| Frame | Q-Frame (PowerPact) — 250A Frame |
|---|---|
| Amperage Range | 70A – 250A |
| Voltage | 240VAC |
| Poles | 2-Pole & 3-Pole |
| Interrupting Rating | 100kA @ 240V |
| Mounting | Lug / Unit Mount |
| Trip Type | Thermal Magnetic (High Interrupting) |
History and Replacement Context
The QJL series was developed as the high-interrupting version of the QDL for use in 240V systems with high available fault current.
Typical Applications
- High-fault commercial distribution
- Branch circuit protection near large transformers
- 240V systems with high available fault current
Available Catalog Numbers
- QJL32070 — 70A, 3 pole, 240VAC
- QJL32080 — 80A, 3 pole, 240VAC
- QJL32090 — 90A, 3 pole, 240VAC
- QJL32100 — 100A, 3 pole, 240VAC
- QJL32110 — 110A, 3 pole, 240VAC
- QJL32125 — 125A, 3 pole, 240VAC
- QJL32150 — 150A, 3 pole, 240VAC
- QJL32175 — 175A, 3 pole, 240VAC
- QJL32200 — 200A, 3 pole, 240VAC
- QJL32225 — 225A, 3 pole, 240VAC
- QJL32250 — 250A, 3 pole, 240VAC
- QJL22070 — 70A, 2 pole, 240VAC
- QJL22080 — 80A, 2 pole, 240VAC
- QJL22090 — 90A, 2 pole, 240VAC
- QJL22100 — 100A, 2 pole, 240VAC
- QJL22110 — 110A, 2 pole, 240VAC
- QJL22125 — 125A, 2 pole, 240VAC
- QJL22150 — 150A, 2 pole, 240VAC
- QJL22175 — 175A, 2 pole, 240VAC
- QJL22200 — 200A, 2 pole, 240VAC