To meet the demanding requirements of material handling equipment such as stackers operating in high-temperature (up to +55 °C) and heavy cement dust environments, RunnTech supplies its robust RT300 Series Heavy-Duty Master Controllers. Specially built for console mounting in heavy-duty operator cabs, the RT300 series delivers long mechanical life, precise contact logic, and high environmental resistance.
Key Configurations & Technical Specifications
Hoisting / Slewing Master Controller (2-Axis, Cross Pattern)
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Model Number: RT300-T-2-L-1(1)-HD39-M5
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Axis & Movement: 2-axis cross gate (1 step in each direction: Forward/Back, Left/Right) with center zero. Prevents diagonal movement for distinct operational control.
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Contact Logic:
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Position A (Forward): Hoisting Down – 1× NO
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Position B (Back): Hoisting Up – 1× NO
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Position C (Left): Slewing Left – 1× NO
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Position D (Right): Slewing Right – 1× NO
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Center Zero: 1× NC zero-position contact (for zero interlock)
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Return Mechanism: Spring return with zero interlock.
General Product Highlights
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Rugged Environment Suitability: Engineered to perform under heavy cement dust and elevated ambient temperatures up to +55 °C.
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Console-Mounted Full-Size Controller: Designed as a full-size master controller featuring a long lever, ball/knob handle, and a durable rubber protective boot.
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Safety Options: Equipped with HD39 handle housing; an optional dead-man switch/zero-position interlock on the grip is available.
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Extended Mechanical Life: Built for high-cycle operational durability across demanding industrial applications.

