Technical FAQs

Ask a Question

What are the repair parts for a QMB221TW, Series E1 (E01)?

The QMB device is a twin switch, meaning it contains two switches in the one device. Parts are listed per switch. Only the parts listed below are considered field replaceable:
Arc Shield/Suppressor Assembly (1 required) - 4051254201
Handle Knob Kit - 4028343750
Lug Assembly (per lug) - 4025101652
Lug mounting nut - 2342501701

CTA-ID : 2385
Was this helpful?
What can we do to improve the information ?