The Siemens Type QS 2-pole Main Circuit Breaker provides thermal-magnetic overcurrent protection for multi-family and residential service entrance applications in Siemens PowerMod and Uni-PAK meter stacks. Available from 100 A to 200 A with interrupting ratings from 10 kAIC (QS) to 22 kAIC (QSH) and 42 kAIC (QSHH), the series operates at 120/240V and installs via plug-on mounting — no filler plates required. Accepts #3 AWG to 300 kcmil Cu/Al wire; HACR rated and listed to UL 489 and CSA C22.2 No. 5.
Features
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- Brand: Siemens
- Category: Circuit Breakers
- Product family: Siemens Type QS Multi-Family Main Breaker
- Available models: QS2125H, QS2200H, QS2200HH, QS2100H, QS2200
- Amperage: Varies by model
- Number of Poles: 2
- Protection Type: Varies by model