OVERLOAD LIMITER

INTRODUCTION

The overload limiter is a safety device installed on the hoisting drum to sense the lifting weight of overhead crane or gantry crane to prevent overload. This overload limiter is composed of two parts: the bearing seat sensor and control instrument, with weight digital display, overload automatic alarm and power cut-off instrument. It’s applicable to the bridge crane and gantry crane.

overhead-crane-overload-limiter

TECHNICAL DATA

1. Application: 3~100t bridge crane and gantry crane
2. Sensitivity: ±5% (F.S)
3. Error: ±5%
4. Safe load limit: 150%
5.Working environment: -20°C ~60°C, no more than 90%RH
6. Power supply: 380V±10% 50HZ
7. Load cell protection: IP65
8. Electric control box protection: IP54

winch-hoist-overload-limiter

SETTING

1. Warning forecast---90% of the rated load (red glint, buzzer warning sound intermittently. but don’t cut off power supply)
2. Warning delay----105% of the rated load (delay 1~2 seconds red light, buzzer sound warning continuously. then cut off power supply)
3. Warning immediately----120% of the rated load (red light, buzzer sound warning continuously, then cut off power supply at once)

gantry-crane-overload-limiter
overload-limiter-for-cranes
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