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      • Variable Speed (ER3V)
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      • Ultra Short (CS)
      • Variable Speed (CSV)
      • Ultra Short-Two Speed (CSC)
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      • Standard (CF)
      • Standard-Two Speed (CFC)
      • Powerful (CV)
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      • Single-Phase-Two Speed (AB)
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      • Double Rail
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      • E-DT 歐規-雙軌
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      • Single Rail
      • Low Headroom
      • E-RT 歐規-低舉單軌
      • Foot Mounted
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      • Suspended
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      • WF Type
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      • VTF Type
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      • Gear Trolley (GT)
      • Plain Trolley (PT)
    • Wall / Jib Crane
    • Mobile Gantry Crane
    • Gear Motor
      • SY Type
      • SH Type
      • SM Type
    • Hoist Overload Limiter
      • Mechanical SLL Type
      • Current Detector
      • Digital Weighing Type
      • Digital Rope Tension Type
    • Crane Components
      • Automatic Weighing Cranes and Overhead Cranes
      • Radio Remote Controller
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      • End Carrier Wheel Set
      • Guide Cable Type Limit Switch
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SAN YUAN 三元
SAN YUAN
  • COMPANY
  • PATENTS
  • Products
    • Variable Speed Hoist
      • Variable Speed (ER3V)
      • Variable Speed (CSV)
    • Chain Hoist
      • High-Capacity (ER3)
      • Variable Speed (ER3V)
      • Ultra Short (CS)
      • Variable Speed (CSV)
      • Ultra Short-Two Speed (CSC)
      • Low Headroom (CSLT)
      • Standard (CF)
      • Standard-Two Speed (CFC)
      • Powerful (CV)
      • Single-Phase (CA)
      • Single-Phase-Two Speed (AB)
    • Rope Hoist
      • Double Rail
      • RFN/RSN-DTC 雙軌雙速
      • E-DT 歐規-雙軌
      • 雙軌子母型雙主機
      • Single Rail
      • Low Headroom
      • E-RT 歐規-低舉單軌
      • Foot Mounted
      • E-D 歐規-座式
      • Suspended
    • Winch
      • WF Type
      • E3W Type
      • VTF Type
    • Manual Hoist/Trolley
      • Manual Hoist (MX)
      • Gear Trolley (GT)
      • Plain Trolley (PT)
    • Wall / Jib Crane
    • Mobile Gantry Crane
    • Gear Motor
      • SY Type
      • SH Type
      • SM Type
    • Hoist Overload Limiter
      • Mechanical SLL Type
      • Current Detector
      • Digital Weighing Type
      • Digital Rope Tension Type
    • Crane Components
      • Automatic Weighing Cranes and Overhead Cranes
      • Radio Remote Controller
      • End Carrier
      • End Carrier Wheel Set
      • Guide Cable Type Limit Switch
      • Rope Guide
      • Automatic Brake
      • Forced Cooling Fan
      • Inverter
      • V-Hook
      • Conductor Rail
      • Industrial Chains
  • GALLERY
  • E-CATALOG
  • Videos
  • Service
  • Contact Us
SAN YUAN 三元
SAN YUAN
Home Hoist Overload Limiter Mechanical SLL Type

Crane Overload Protection Device – Mechanical Tension Type

SANYUAN-icon-Download

Application: When the load exceeds the set limit, the crane stops lifting and issues an alarm.

SANYUAN 三園 三元 起重機過負荷保護裝置

►Download SLL-18 outline drawing

►Download SLL-28 outline drawing

PRODUCTS

Variable Speed Hoist
  • Variable Speed (ER3V)
  • Variable Speed (CSV)
Chain Hoist
  • High-Capacity (ER3)
  • Variable Speed (ER3V)
  • Ultra Short (CS)
  • Variable Speed (CSV)
  • Ultra Short-Two Speed (CSC)
  • Low Headroom (CSLT)
  • Standard (CF)
  • Standard-Two Speed (CFC)
  • Powerful (CV)
  • Single-Phase (CA)
  • Single-Phase-Two Speed (AB)
Rope Hoist
  • RF/RS-DT 雙軌單速
  • RFN/RSN-DTC 雙軌雙速
  • E-DT 歐規-雙軌式
  • 雙軌子母型雙主機
  • RF/RS-MT 單軌單速
  • Low Headroom
  • E-RT 歐規-低舉單軌
  • Foot Mounted
  • E-D 歐規-座式主機
  • RF-M 懸掛昇降
Winch
  • WF Type
  • VTF Type
  • E3W Type
Manual Hoist/Trolley
  • Manual Hoist (MX)
  • Plain Trolley (PT)
  • Gear Trolley (GT)
Wall / Jib Crane
  • Wall / Jib Crane
Mobile Gantry Crane
  • Mobile Gantry Crane
Gear Motor
  • SH Type
  • SY Type
  • SM Type
Hoist Overload Limiter
  • Mechanical Tension Type SLL
  • Current Detector
  • Digital Weighing Type
  • Digital Tension Type
Crane Components
  • Automatic Weighing Cranes and Overhead Cranes
  • Radio Remote Controller
  • End Carrier
  • End Carrier Wheel Set
  • Automatic Brake
  • V-Hook
  • Rope Guide
  • Guide Cable Type Limit Switch
  • Forced Cooling Fan
  • Inverter
  • Conductor Rail
  • Industrial Chains
SANYUAN電動鋼索吊車 鏈條吊車 手拉吊車 天車起重機工程 天車設備 昇降機工程
Crane type-certified manufacturers
Professional design manufacturing

Electric Rope Hoist, Chain Hoist, Winch
Overhead crane engineering, hoist engineering

Contact Us

Taipei TEL:+886-2-26005870
Taichung TEL: +886-4-22775025
Kaohsiung TEL: +886-7-3742540

© 2026 SAN YUAN CHAIN HOIST CORP.

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