L701 Microcomputer Programmable Timer Switch AC 250V 16A LCD Display
L701 Microcomputer Programmable Timer Switch AC 250V 16A LCD Display - Image 2
L701 Microcomputer Programmable Timer Switch AC 250V 16A LCD Display - Image 3
SKU: IOWC-1484
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L701 Microcomputer Programmable Timer Switch AC 250V 16A LCD Display

₹419.00 (Inclusive of all taxes)
Out of Stock

The L701 is a microcomputer-based programmable timer switch designed for AC 250V, 16A loads, operating on 24V AC/DC supply. It features an LCD digital display for easy scheduling of 16 ON/OFF events to automate lighting, appliances, and industrial equipment for energy savings.

Features

  • Programmable 16 ON/OFF schedules via intuitive LCD interface and button controls for precise daily or weekly automation.
  • Handles high-power loads up to 16A at 250V AC, suitable for industrial equipment, street lighting, and heavy-duty appliances.
  • Operates on a versatile 24V AC/DC supply voltage, compatible with common control systems and power adapters.
  • Features an internal backup battery to maintain time and program memory during main power outages.
  • Compact DIN rail or panel-mount design (60x60x32 mm) with a wide operating temperature range from -25°C to 65°C.

Out of stock

Description

The L701 Microcomputer Digital Timer Switch is an industrial-grade programmable controller engineered for reliable scheduled operation of electrical systems. Its core is a dedicated timing microprocessor that manages up to 16 independent ON/OFF events with a timing range from 1 minute to 168 hours. The clear LCD digital display provides real-time feedback and simplifies programming through a sequence of mode, hour/minute, and day selection buttons.

Constructed for 24V AC/DC control voltage, it integrates directly into automation panels and low-voltage control circuits. The switch’s robust relay is rated for 250V AC at 16A, ensuring dependable switching for inductive and resistive loads. An internal rechargeable battery preserves the clock and user programs during supply interruptions, guaranteeing schedule integrity. Its compact, white housing is designed for standard electrical enclosures, making it a fundamental component for energy management and automated control in both smart home and industrial IoT applications.

Key Features

  • Microprocessor-controlled digital timer with precise, user-definable scheduling for automated ON/OFF cycling.
  • Large, backlit LCD digital display for clear visibility of current time, set programs, and operational status.
  • Supports 16 independent ON/OFF program pairs, allowing complex daily, weekly, or custom periodic control routines.
  • Built-in rechargeable backup battery maintains timekeeping and program memory during main power failures.
  • Wide timing range from 1 minute to 7 days (168 hours) with automatic error correction for long-term accuracy.
  • Versatile 24V AC/DC operating voltage enables easy integration with PLCs, transformers, and DC power supplies.
  • High-capacity relay output rated for 16A at 250V AC, suitable for controlling motors, heaters, and lighting arrays.
  • Compact, panel-mount design with standard 60x60mm footprint for easy installation in electrical cabinets and enclosures.

Applications

  • Automated control of street lighting, parking lot lights, and architectural facade illumination.
  • Scheduling for advertising signage, neon displays, and commercial window lighting to reduce energy costs.
  • Cycling industrial production equipment, pumps, fans, and conveyor belts for process automation.
  • Smart home automation for controlling water heaters, HVAC systems, and garden irrigation on a timer.
  • Energy management in retail environments for scheduled operation of displays, refrigerators, and security lighting.

Technical Specifications

ModelL701
Switch TypeProgrammable Timer Switch
Maximum Load Rating16A @ 250V AC
Control Voltage24V AC/DC
DisplayLCD Digital Display
Program Capacity16 ON / 16 OFF Settings
Timing Range1 Minute to 168 Hours
Time Accuracy (Hysteresis)≤1 Second/Day @ 25°C
Operating Temperature-25°C to +65°C
Dimensions (L x W x H)60 mm x 60 mm x 32 mm
Weight65 grams

Frequently Asked Questions

How do I program the ON and OFF schedules on the L701 timer?

Press the 'P' button to enter programming mode, where '1 ON' will display. Use the 'H+' and 'M+' buttons to set the hour and minute for the turn-on time. Press 'D+' to select the day pattern (same every day or specific days). Press 'P' again to set the corresponding '1 OFF' time. Repeat this sequence for up to 16 ON/OFF pairs. Finally, press the 'END' button to save and exit programming mode, returning the unit to normal operation.

What is the purpose of the internal battery, and how is it charged?

The internal rechargeable battery acts as a backup power source to maintain the real-time clock and all programmed schedules in the event of a main power (24V AC/DC) interruption. The battery is charged automatically whenever the timer switch is connected to its operational 24V supply. A depleted battery from long storage will recharge fully after several hours of normal operation, ensuring schedule retention.

Can the L701 timer switch control inductive loads like motors or pumps?

Yes, the L701's relay output is rated for 16A at 250V AC, which is suitable for controlling inductive loads such as single-phase motors, pumps, and compressors. Ensure the inrush current of your motor does not exceed the relay's rating. For highly inductive loads, consider using an external contactor for added protection and longevity of the timer's internal relay contacts.

What is the timing accuracy, and how do I correct the clock if it drifts?

The L701 timer features a microcomputer with automatic time error correction, maintaining an accuracy of ≤1 second per day at 25°C. To manually set or correct the current time, you typically enter the clock setting mode (often by holding a specific button combination as per the manual) and then use the 'H+' and 'M+' buttons to adjust. The internal crystal and correction algorithm minimize long-term drift.

Package Includes

  • 1 x L701 Microcomputer Programmable Timer Switch
  • 1 x User Manual

Additional Information

Weight 0.065 kg
Dimensions 6 × 6 × 3.2 cm

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