20A Padlock Isolator Disconnect Rotary Cam Switch With Box
The YAMING 20A Padlock Isolator Disconnect Rotary Cam Switch with Box is a masterpiece from Zhejiang YAMING Electric Co., Ltd., a company with over 30 years of expertise in the electrical switch field. This product is compatible with various AC and DC circuits, offering multiple functions including manual infrequent switching, circuit conversion, and direct control of small motors. With its exquisite craftsmanship and stable performance, it provides reliable protection for circuit control applications.
The YAMING 20A Padlock Isolator Disconnect Rotary Cam Switch with Box (Model: YMW27-20GS) is a high-performance rotary cam switch designed specifically for circuit control and conversion, featuring a protective enclosure for both safety and practicality. It is suitable for AC circuits with a frequency of 50Hz and a rated operating voltage not exceeding 440V, and DC circuits with a voltage not exceeding 240V. Its core function is manual infrequent circuit switching, control, and conversion, and it can also directly control small capacity motors and be used in main control and circuit measurement applications. As a professional manufacturer with its own factory, YAMING strictly controls quality from R&D to production, ensuring that every product meets industry standards.
Key Features:
1. Brand Strength Guarantee: YAMING has over 30 years of experience in the electrical switch industry. With its exquisite manufacturing process and advanced production technology, the product delivers efficient, stable, and reliable core performance, ensuring long-term stable operation for various circuit control needs.
2. Diverse Classification and Adaptability: The 20A Padlock Isolator Disconnect Rotary Cam Switch With Box features a comprehensive classification system, allowing for flexible selection based on different operational needs. By application, it can be classified into main circuit conversion, direct motor control, main control and measurement; by operation mode, it can be classified into positional, self-resetting, and positional-self-resetting; multiple gear options are available, and special requirements can be customized; conversion angles include 30°, 45°, 60°, and 90°, and panel shapes can be square or round, adapting to different installation and usage scenarios.
3.Safety Protection Design: Equipped with a padlock locking function, 20A Padlock Isolator Disconnect Rotary Cam Switch With Box effectively prevents misoperation and enhances safety during circuit control; the protective enclosure design further enhances the product's adaptability to complex environments and extends its service life.
Product Application
The product has a wide range of applications, serving as a circuit control switch, test equipment switch, motor control switch, main control switch, and welding machine switch, suitable for various fields such as industrial production, power testing, and mechanical processing. Whether for conventional circuit control needs or customized circuit conversion requirements in special scenarios, this product can accurately meet the demands, providing core support for the stable operation of various electrical equipment.
Operating Conditions
1. Operating ambient temperature: -25℃ to +40℃, 24-hour average temperature not exceeding +35℃;
2. Maximum installation altitude: 2000 meters;
3. Humidity tolerance: Maximum relative humidity of 50% at +40℃; can withstand 90% relative humidity at +20℃, but special anti-condensation measures are required when condensation occurs due to occasional temperature changes;
4. Applicable environment: Pollution degree 3, installation category II and III.
Technical Parameters
Main Technical Parameters
YMW27-63
YMW27-32
Rated insulation voltage Ui (V)
660V
660V
Rated heat current Ith (A)
63
32
Operating voltage Ue (V)
440V
440V
AC-21 (A)
57A
30A
AC-3 (A)
36A
22A
AC-4 (A)
15A
11A
Rated impulse withstand voltage Uimp
2500V (both)
2500V (both)
Rated short-time withstand current Icw
740A, duration: 1s (both)
740A, duration: 1s (both)
Rated making/breaking capacity (peak value)
980A (both)
980A (both)
Mechanical life
10×10⁴ (120h) (both)
10×10⁴ (120h) (both)
Electrical life
No-load: 8500; Loaded: 1500; Total operating cycles: 10000 (both)
No-load: 8500; Loaded: 1500; Total operating cycles: 10000 (both)
Use Category of Transfer Cam Switch
Current Type
Use Category
Typical Use
Communication (AC)
AC-21
Turn on and off motor load or other high inductance load
Communication (AC)
AC-3
Starting and breaking of squirrel cage asynchronous motor
Communication (AC)
AC-4
Starting, reverse braking, reverse running and inching of squirrel cage asynchronous motor
Connection Capacity of Terminal
Item
Type: YMW27-63
Type: YMW27-32
Maximum wire cross-sectional area and the number of wires connected to the terminal at the same time
6mm² / 1 wire
6mm² / 1 wire
Minimum wire cross-sectional area and the number of wires connected to the terminal at the same time
4mm² / 2 wires
2.5mm² / 2 wires
Thread diameter or tightening torque
M5 / 2.0N·m
M4 / 1.2N·m
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