STI SS2221PO-EN Emergency Power Off Stopper Station helps protect critical emergency shutdown controls from accidental or unauthorized activation. Its yellow protective enclosure uses a turn-to-reset operation and prominent EMERGENCY POWER OFF identification for clear, deliberate operation.

Ideal for industrial, commercial and critical facility environments where emergency shutdown controls must remain accessible while protected from accidental activation. The durable enclosure and configurable contact options support dependable installation.

Specifications:

Features:

• Turn-to-Reset button
• Raised EMERGENCY POWER OFF label
• Standard switch includes one N.O. and one N.C. contact. Holds up to three sets of isolated contacts
• Protective cover helps protect button from damage and accidental activation
• UL/cUL Listed
• ADA Compliant