Overview
The Hubbell HBLDS3 is an industrial-grade Circuit-Lock® unfused disconnect switch rated for 30A at 600V AC. Hubbell’s Circuit-Lock® Unfused Disconnect Switches are UL listed as a manual motor controller and also “suitable as a motor disconnect” and meet NEC section 430.102(B) disconnect requirements within line of sight from motor and driven equipment. This switch provides reliable on/off control with integrated safety features suitable for industrial, commercial, and food processing environments.
Key Features
- UL Listed Motor Controller: Suitable as a motor disconnect and meets NEC 430.102(B) code requirements
- OSHA Lockout/Tagout Ready: Highly visible red handle locks in the OFF position for compliance with lockout/tagout safety procedures
- Cover Protection: Cover cannot be removed with switch in the ON position for operator safety
- NEMA 4X Enclosure: Constructed from corrosion and impact resistant UV stabilized non-metallic material with IP69k and Type 4X water ingress protection
- Food Processing Certified: Certified by NSF for hygiene in food processing applications
- Dielectric Strength: Withstands 3000V AC minimum dielectric voltage
Technical Specifications
The following table outlines the core electrical and mechanical specifications:
Typical Applications
- Motor disconnect and control in industrial plants
- Conveyor system equipment control
- Industrial fan and blower operation
- Heavy-duty industrial machinery disconnect points
- Food processing and hygiene-critical environments
- Outdoor equipment installations requiring NEMA 4X protection
Compatibility & Replacements
Compatible With
- Three-phase 600V AC electrical systems
- Motor circuits requiring 30A control
- NEMA 4X enclosure-rated equipment
- Industrial motor control circuits
- Food processing facility electrical systems (NSF certified)
Replaces / Drop-In Replacement For
- HBLDS3AC (with auxiliary contact option)
- HBLDS3PJ (with LED indicator and jog control)
- HBLDS3SS (stainless steel enclosure version)
Works With
- Screw terminal conduit connections
- Auxiliary contact modules (up to 2 per enclosure)
- Conduit fittings ¾ in. NPT (included with 30A units)
- LED indicator modules for phase monitoring
- Lockout/tagout equipment and procedures
