Description
Automate your home or industrial electrical systems with the TB-388 Analogue Time Switch. This high-precision mechanical timer is designed for reliability and ease of use, allowing you to schedule power cycles for lights, pumps, heaters, and machinery.
Equipped with a Quartz motor and a 300-hour power reserve, this timer ensures your schedule remains intact even during power outages. With a minimum setting interval of 15 minutes and up to 96 operations per day, it offers complete control over your energy consumption.
Key Features:
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Universal Voltage: Operates seamlessly on 100-240V AC (50/60Hz) making it suitable for various global electrical standards.
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High Load Capacity: Rated for up to 16(20)A, handling resistance loads of 15A and motor loads up to 1500W (at 220V).
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300-Hour Blackout Compensation: Includes a built-in, replaceable 1.2V Ni-MH battery that keeps the clock running for up to 12 days during a power failure.
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24-Hour Programming: Easy-to-set analogue dial with 96 switching pins. Simply push pins in or out to set ON/OFF times.
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Manual Override Switch: Features a 3-way toggle (ON / AUTO / OFF) for instant manual control without disturbing your programmed schedule.
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Durable Design: Housed in a flame-retardant, surface-mount casing with clear protective cover.
Technical Specifications:
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Model: TB-388
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Drive Mode: Quartz Motor Type
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Time Precision: ±15 seconds per month (at 25°C)
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Minimum Setting Unit: 15 Minutes
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Output Contacts: SPST (Single Pole Single Throw)
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Mounting Type: Surface Mount / Wall Mount
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Terminals: Easy-access screw terminals (S1, S2 for Power In | L1, L2 for Load Out)
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Dimensions: Approx. 110mm x 150mm x 50mm
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Weight: 250g
Common Applications:
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Outdoor Lighting: Street lights, garden lighting, and signage.
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Water Systems: Pool pumps, irrigation systems, and water heaters.
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Commercial: HVAC systems, exhaust fans, and store displays.
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Agriculture: Automated feeding and greenhouse lighting.
Why Choose the TB-388?
Unlike digital timers that can be complex to program, the TB-388 Mechanical Timer provides a visual representation of your schedule that is easy to adjust at a glance. Its robust construction and high-amperage rating make it a “set-and-forget” solution for both residential and industrial environments.
What’s in the box:
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1 x TB-388 Time Switch
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1 x 1.2V 110mAh Ni-MH Rechargeable Battery (Internal)
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Instruction Manual

















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