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
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