Q-Line Miniature Circuit Breakers
Q-Line circuit breakers are one-inch wide per pole, compact, thermal-magnetic devices designed for OEM applications. All Q-Line circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy-to-spot trip indications to ensure safety and reliability. Q-Line breakers are available in 1, 2, and 3 pole versions and can be ordered with auxiliary contact and shunt trip accessories.
TH(H)QC - cable-in, cable-out (lug-lug)
The TH(H)QC breakers are Q-Line breakers with lugs designed for mounting on 35mm DIN rails.
TH(H)QB - bolt-on
TH(H)QB are Q-Line breakers with bolt-on for use in ReliaGear® panelboards.
TH(H)QB-RC - ring lug
TH(H)QB- RCs are Q-Line breakers featuring compression or ring lug cable terminals. TH(H)QB-RCs are designed for use in ReliaGear® RQ panelboards.
- Compact design
- Molded case
- Thermal magnetic
- Available with lug-lug, bolt-on connection, or ring lug connection
- Quick connect version available
- Available in 15A-100A
- 10 and 22 kA versions
- 120/240 and 240 V AC ratings
- Single, Two, or Three pole units
Certifications and Standards
- UL 489
- Semiconductor machinery
- General machinery
- Data Centers
- Applications using lighting panelboards