ABB thermal overload relay.

• 3.1-4.2A overload.
• Suits 9-42A ABB contactors.
• Offers electromechanical protection for the main circuit.
• Trip Class 10.
• Normally Closed (NC) trip contact.
• Normally Open (NO) signal contact.
• Temperature compensation.
• Auto or manual reset selectable.
• Trip indication.
• STOP function.
• Connects directly to the block contactors.
• Manufacturer Part Code: 1SAZ721201R1035.
• Dimensions (mm): 88.3(H) x 70.5(D) x 45(W).

ABB 3.1A-4.2A overload relay data sheet.