The Square D S33669 Undervoltage Release is a circuit breaker accessory designed for use with PowerPact molded case circuit breakers. Manufactured by Schneider Electric under the Square D brand, this device provides undervoltage protection by automatically tripping the breaker when the control voltage falls below a safe threshold. It is commonly used in industrial and commercial power systems to ensure equipment safety and prevent unsafe operation during voltage loss or instability.
Electrical Ratings
- AC Voltage Rating: 48 V AC
- DC Voltage Rating: 60 V DC
- Type: Undervoltage Release Device
Key Specifications
- Brand: Square D / PowerPact
- Manufacturer: Schneider Electric
- Model Number: S33669
- Product Type: Circuit Breaker Accessory
- Sub-Category: Undervoltage Release
- Application: Breaker Protection and Control
- Series: PowerPact
Compatibility
- Frame Types Supported:
- MG, MJ, PG, PJ, PK, PL
- RG, RJ, RK, RL
- Designed for use with PowerPact molded case circuit breakers
Technical Details
- Function: Trips circuit breaker when control voltage drops below safe operating level
- Enhances electrical system safety and equipment protection
- Ensures automatic shutdown during undervoltage conditions
- Compact design integrates into breaker assembly
Approvals and Standards
- IEC Certified
- UL Listed
- Designed to meet international safety standards
Product Data
- Brand: Square D
- Manufacturer Part Number (MPN): S33669
- Series: PowerPact
Features and Benefits
- Provides reliable undervoltage protection for industrial electrical systems.
- Helps prevent damage caused by low-voltage conditions.
- Ensures safe system shutdown during power instability.
- Compatible with multiple PowerPact molded case breaker frames.
- Compact and easy-to-integrate accessory design.
- Improves operational safety and system reliability.
Applications
- Industrial Power Distribution Systems
- Commercial Electrical Panels
- Motor Control Centers
- Critical Equipment Protection Systems
- PowerPact MCCB Assemblies
- Electrical Safety Interlock Systems
- Type Undervoltage Release
- Vendor Square D
- Brand Square D
Returns are easy
You may return items within 30 days of delivery for a refund.
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