Product Specification:
Product Model Description:
| HS | ○ | A- | ☆ | ◇ | □ / | ⊙ | △ | ▼/ | ◎ |
Hong Song substitute code | Mounting hole | system column Number | Head shape | Switch combination | Operation Type | Luminescence type | Luminescent color | Voltage with lamp | Housing material |
| Mounting hole diameter (Outer diameter of switch thread) 12mm 16mm 19mm 22mm 25mm 30mm 40mm | P flat-round beveled housing G high-flat round beveled housing | 1O—1NO 11—1NO1NC 22—2NO2NC NO: Normally Open Contact NC: Normally Closed Contact | F self-resetting Z self-locking | D Single Point E ring DY power symbol | R— Red G— Green B— Blue Y— Yellow W— White O— Orange P— Purple | AC/DC, V 6 12 24 36 48 220 | S stainless steel ST stainless steel with titanium gold plating N Brass with nickel plating A Aluminum alloy oxidation (prepared) Note color) PC plastic |
Product Overview
Core Specifications
Brand: HOSONG
Model: HS30A-P11□/E+DY△▼/◎
Mounting Cutout Diameter: Φ30mm
Head Style: Flat Round
Contact Configuration: 1NO1NC
Operation Mode: Momentary / Latching
Illumination Type: Dual Illumination (Annular Ring + Central Power Symbol)
Rating: 3A / AC220V
Protection Class: IP67, IK10
Certifications: CCC, CE, RoHS
Product Advantages
- Dual-light hierarchical status indication to independently distinguish power standby and equipment running status, significantly improving operability identification and safety for heavy machinery.
- Extra-large 30mm luminous viewing area enables instant status recognition even under strong outdoor sunlight and long-distance operation.
- Separately wired dual lighting circuits support custom single-light or dual-light activation, matching the electrical control logic design of high-end equipment.
- Thickened silver alloy contacts resist electric arcs and withstand frequent switching cycles, meeting frequent start-stop demands of large units.
- Fully enclosed high-strength sealing structure provides shock and drop resistance, water & oil resistance, adapting to various complex and extreme industrial working conditions.
Application Scenarios
- Main power control for large engineering cranes and mining tunneling equipment
- Power switches for outdoor oversized photovoltaic energy storage integrated machines and wind power supporting electrical control systems
- Main power pushbuttons for heavy-duty automated vehicle production lines and large integrated equipment power-on control
- Main power control for high-power industrial hydraulic units, air compressors and booster equipment
- Power control for port heavy-load logistics equipment and large intelligent warehousing machinery
- Power switches for heavy-duty special mobile operation equipment and outdoor large industrial control cabinets
Frequently Asked Questions (FAQ)
Q1: Can different voltage specifications be customized for the two indicator lights separately?
A: Standard versions adopt identical voltage for both lights. Non-standard solutions with different voltages and colors for the two lighting circuits are available for bulk orders.
Q2: Will the latching version automatically reset after power failure?
A: It features industrial-grade auto-reset upon power loss: the switch turns off when power cuts off and will not restart automatically after power recovery, complying with safety standards for heavy industrial equipment.
Q3: Will the lights fade or degrade under long-term outdoor sun exposure?
A: Equipped with UV-resistant high-brightness LEDs and sealed light guide structure, the lights resist ultraviolet aging with no color fading or luminous attenuation during long-term outdoor service.
Customer Case Study
A major heavy equipment manufacturer based in Henan Province specializes in R&D and production of large mining and engineering machinery. Previously, its original power pushbuttons offered ambiguous status indication, prone to accidental startup and power-off incidents.
After switching to Hosong 30mm dual-illumination annular power pushbuttons, equipment power status becomes clearly visible, eliminating operational safety incidents completely. The company places a steady annual order of 10,000 pieces and specifies this pushbutton as the standard power component for its full line of heavy-duty equipment.
30mm Ring Power LED Push Button
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Guangdong HOSONG Button Manufacturing Co., Ltd.
Phone:+86 18025227237 / +86 0769-86302535
WhatsAPP:+86 18025227237
Email:hosong@hosong.cn
Address: No. 2, Industrial Road No. 1, Xiajiangcheng, Gaobu Town, Dongguan City, Guangdong Province, China
HOSONG International (Hong Kong) Limited
Address: Room 15, 11th Floor, Wah Wai Plaza, No. 1008 Tai Nam Sai Street, Lai Chi Kok, Kowloon, Hong Kong
Phone:0852-30780831
Fax:0852-30775900