ABB – 1SDA066392R1 – UVR XT1..XT4 Undervoltage Release

The ABB SDAR is an undervoltage release accessory for Tmax XT series molded-case circuit breakers, specifically compatible with XT through XT frames. It trips the breaker when voltage drops below a defined threshold and prevents reclosure until proper voltage is restored, enhancing electrical system safety.

Key Features:

• Model: SDAR

• Function: Undervoltage Release (UVR)

• Rated Operating Voltage: – V AC / – V DC

• Voltage Drop-Out Threshold: –% of Un

• Voltage Pick-Up Threshold: ≥% of Un

• Compatible With: ABB Tmax XT, XT, XT, XT circuit breakers

• Standards Compliance: IEC ‑, UL

• Mounting: Internal to circuit breaker

• Weight: Approx. . kg

• Dimensions: × × mm