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Home > Electrical & Electronics > Passive Components > Capacitor > Automatic Power Transfer Switch, 100A-400A, With Manual Bypass

Automatic Power Transfer Switch, 100A-400A, With Manual Bypass

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Product Spotlights

Automatic Power Transfer Switch (100A-400A) with Manual Bypass ensures seamless, automatic power source switching during outages, protecting critical operations. Features fast transfer (<100ms), programmable microprocessor control, clear LCD monitoring, and a safe manual bypass for maintenance. Built for durability and safety, it offers flexible installation and optional remote communication for reliable backup power management in commercial and industrial settings.

US$ 100 - 1000 MOQ: 10 Units

Key Specifications

Get Latest Price

Type:

Other, Automatic Power Transfer Switch with Manual Bypass

Application:

Other, Critical power backup systems

Current Rating:

100A, 200A, 300A, 400A

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Type Other, Automatic Power Transfer Switch with Manual Bypass

Application Other, Critical power backup systems

Current Rating 100A, 200A, 300A, 400A

Operation Mode Automatic transfer with manual bypass option

Configuration 2-source input, single output

Control Logic Programmable microprocessor-based controller

Monitoring Interface LCD display with status indicators

Mounting Style Wall-mounted or panel-mounted

Connection Type Screw terminal or busbar connection

As a specialized manufacturer of electrical equipment, Jinhua Dika Electrical Equipment Co., Ltd. brings reliable and intelligent power management solutions to the global market. Our Automatic Power Transfer Switch, available in ratings from 100A to 400A and featuring a manual bypass function, is engineered to ensure seamless and secure power source transition for critical applications. Designed with a focus on durability, operational safety, and user convenience, this switch provides a robust safeguard against power interruptions, protecting your equipment and operations.

This Automatic Transfer Switch (ATS) is a vital component for any facility requiring uninterrupted power. It automatically monitors the primary power source (typically utility power) and, upon detecting a failure or unacceptable parameters, swiftly transfers the load to a secondary source (such as a generator or backup grid) without human intervention. The integrated manual bypass allows for safe, isolated manual operation for maintenance, testing, or in case of automatic system issues, ensuring continuous control over the power supply.

Key Features and Technical Advantages:

Robust Current Ratings: Available in standard ratings of 100A, 200A, 300A, and 400A to match a wide range of load requirements from commercial buildings to industrial plants.
Dual Operation Mode: Combines fully automatic transfer based on programmable logic with a secure manual bypass mechanism. This provides flexibility for both normal automated operation and controlled manual scenarios.
Advanced Microprocessor Control: The core is a programmable controller that continuously monitors voltage, frequency, and phase of both sources. Transfer decisions are made based on user-defined thresholds for reliability and precision.
Clear Visual Monitoring: An integrated LCD display panel shows real-time status of both power sources, transfer history, alarm conditions, and system settings, enabling easy on-site diagnostics.
Enhanced Safety Design: Features include mechanical interlocks to prevent simultaneous connection to both sources, arc suppression mechanisms, and secure isolation during manual bypass operation to protect personnel and equipment.
Durable Construction: Built with high-quality contactors, robust busbars, and industrial-grade enclosures designed for long-term performance in various environmental conditions.
Flexible Installation: Supports both wall-mounted and panel-mounted installation, with options for screw terminal or busbar connections to simplify integration into existing electrical panels.

Technical Specifications Overview:

Parameter	Specification Range / Details
Model Range / Current Rating	DK-ATS-100A, DK-ATS-200A, DK-ATS-300A, DK-ATS-400A
Operating Voltage Range (Nominal)	120V AC, 240V AC, 480V AC (customizable for other standards)
Transfer Time (Typical)	Less than 100 milliseconds upon source failure detection
Control System	Programmable microprocessor with default and customizable logic
Monitoring Interface	LCD display with source status, alarms, voltage/frequency readout
Manual Bypass Mechanism	Positive-action switch with visual position indicator and safety lock
Enclosure Protection Rating	IP20 (standard), higher ratings available upon request
Communication Options	Optional RS-485, Modbus protocol for remote monitoring
Mounting	Wall-mounted or panel-mounted

Benefits for Your Business:

Operational Continuity: Minimizes downtime by providing automatic, fast transfer to backup power, keeping critical processes running.
Equipment Protection: Prevents damage to sensitive equipment caused by unstable or failed power sources.
Safety and Compliance: The manual bypass offers a safe way to perform maintenance or isolate the system, aiding in compliance with safety procedures.
Management Efficiency: Remote monitoring options (optional) allow for centralized oversight of power status across multiple locations.
Reduced Labor Dependency: Automated operation reduces the need for manual intervention during power outages, lowering operational risks.
Scalability and Flexibility: The range of current ratings and customizable features allows the switch to be tailored to specific project needs.

Jinhua Dika Electrical Equipment Co., Ltd. operates with a commitment to quality and reliability, supported by a structured management system. Our products are supplied to diverse markets worldwide, including North America, Europe, Asia, and Africa, from major Chinese ports. With an annual export value reflecting consistent market trust and a team dedicated to electrical solution development, we ensure that our Automatic Power Transfer Switches are built to meet the demanding requirements of global clients. This switch represents not just a product, but a partnership in securing your power infrastructure. We encourage you to contact us for detailed specifications, pricing, or to discuss custom configurations for your specific application.

Frequently Asked Questions (FAQ)

What is the primary purpose of an Automatic Transfer Switch with Manual Bypass?
Its primary purpose is to automatically switch electrical loads from a normal power source to a backup source when the normal source fails. The manual bypass allows operators to manually control the transfer for testing, maintenance, or if the automatic system requires servicing, ensuring power control is never lost.
How does the switch decide when to transfer?
The built-in microprocessor controller continuously monitors parameters like voltage and frequency. If these parameters fall outside preset acceptable ranges for the primary source, the controller initiates a transfer to the secondary source after a brief delay (if programmed) to ensure the failure is persistent.
Can this switch handle three-phase power systems?
Yes, models are available for both single-phase and three-phase applications. The specific configuration (voltage, phase) should be specified during inquiry or ordering.
What is the typical transfer time, and is it fast enough for sensitive equipment?
The typical transfer time is under 100 milliseconds. This is generally sufficient for most critical loads like IT servers, medical equipment, and industrial control systems to ride through the brief interruption without shutting down.
How does the manual bypass function work, and is it safe to operate?
The manual bypass typically involves a physically operated switch or lever that mechanically connects the load to a chosen source, bypassing the automatic contactors. It includes safety interlocks and visual indicators to ensure safe, unambiguous operation by trained personnel.
Are communication protocols available for integration into building management systems?
Optional communication modules are available, commonly supporting protocols like Modbus via RS-485. This enables remote status monitoring, alarm notification, and integration with supervisory systems.
What are the main installation considerations?
Installation requires proper mounting (wall or panel), correct wiring to both power sources and the load, and setting the controller parameters (transfer thresholds, delays). It should be performed by qualified electricians following local electrical codes.
Can the current rating be customized beyond the 100A-400A range?
Yes, as a manufacturer, we can discuss custom designs for higher or specific current ratings based on project requirements. Please contact our technical team for such inquiries.