Technical Parameters
Parameter Description / Value
Manufacturer Part Number YU-1SDA085619R1
Product Type Control and Auxiliary Power Supply Module
Compatible Series ABB Emax Series Air Circuit Breakers (E1, E2)
Power Supply Input Voltage 220/230V AC (Nominal. Actual operational range is likely wider, e.g., 110-240V AC/DC - verify with datasheet).
Primary Functions 1. Powers the Electronic Trip Unit (PR121, PR122, PR123, etc.).
2. Provides programmable auxiliary contacts.
Auxiliary Contact Configuration E1/6: Meaning 1 Normally Open (NO) + 6 Changeover (CO) contacts.
• Total Contact Pairs: 7 pairs
• Total Wiring Terminals: 13 (2 for power, 11 for contacts)
Contact Ratings Typical (IEC 60947-5-1):
• Utilization Category AC-15: ~240V, 2.5A
• Utilization Category DC-13: ~24V, 2A
(Exact ratings must be confirmed via official datasheet)
Mounting Side-mounted onto the designated socket of the compatible Emax ACB.
Primary Standard IEC 60947-5-1 (Low-voltage switchgear and controlgear - Control circuit devices and switching elements)
The product ABB YU-1SDA085619R1 is a Control and Auxiliary Power Supply Module, specifically designed for ABB's Emax series (E1 and E2) Air Circuit Breakers (ACBs). It is a versatile, integrated module that provides two core functions