The L11 Series from Sprecher + Schuh offers a robust and flexible range of fused and non-fused disconnect switches, built to meet demanding industrial applications. With current ratings from 30A to 1200A, these switches are compact yet powerful, offering excellent short-circuit protection and versatile installation options.
The L11 series is ideal for use in service entrance applications and at-motor disconnects. Its thoughtful design helps reduce panel space while maintaining high performance and safety standards.
Key Features
Wide amperage range:
Fused models: 30A to 800A
Non-fused models: 30A to 1200A
High voltage and motor capacity:
Rated up to 600V
Supports motors up to 500 HP at 480V
Withstands short-circuit currents up to 200kA
Fuse options (fused models):
Compatible with Class CC, J, and HRCII fuses
Provides Type 2 protection to limit let-through energy
Switching performance (non-fused models):
Meets AC-22 and AC-23 utilization categories
Quick-make, quick-break operation independent of handle movement
Mounting flexibility:
Flange-mounted with shaft-actuated rotary handles
Supports bottom-feed and upside-down mounting
Not suitable for side mounting
Operational safety:
Padlockable handles (accepts up to 3 padlocks)
Optional test mode and auxiliary contacts
Finger-safe terminals (IP20) and touch-safe fuse carriers (IP30)
Environmental protection:
Handle and enclosure options available up to IP66 / Type 4X
Installation-friendly:
Mounting hardware included with 30A and 60A models
Multiple shaft sizes available (0.238", 10 mm, 12 mm)
Optional shaft couplings for larger handle types
Certifications & Compliance
UL 98: Certified for use as service entrance equipment
UL 508: Compliant for motor disconnect applications
NFPA 79: Meets standards for industrial machinery
IEC Compliance: Supports Type 2 coordination (fused models)
