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

HOSONG 40mm flat non-illuminated metal push button is an industrial super-large-aperture control switch exclusively for heavy-duty equipment. Adopting the industry’s largest standard Φ40mm mounting hole with an ultra-wide pressing area, it is customized for super-large engineering machinery, special industrial equipment and heavy-duty complete units. With a minimalist non-illuminated sealed structure without vulnerable light components, it features strong anti-interference performance and ultra-low failure rate. Equipped with high-performance 1NO1NC composite contacts, it supports momentary and latching dual modes with a rated 3A industrial load. The ultra-thick high-strength metal housing and full sealing technology achieve IP67 waterproof and IK10 super impact resistance, with excellent vibration, wear and heavy oil corrosion resistance, serving as a core dedicated component for manual start-stop, reset and emergency debugging of super-large heavy-duty equipment.

Core Parameters

Brand: HOSONG; Model: HS40A-P11□/◎; Mounting Hole: Φ40mm; Head Type: Flat Round; Contact: 1NO1NC; Operation Mode: Momentary/Latching; Light Type: Non-illuminated; Rating: 3A/AC220V; Protection: IP67, IK10; Certifications: CCC, CE, RoHS.

Product Advantages

1. Ultra-large 40mm flat pressing surface supports operation with thick heavy-duty gloves with ultra-high tolerance, completely eliminating misoperation of heavy machinery; 2. Minimalist non-light structure has no lamp circuit loss, delivering far higher stability than illuminated buttons in extreme dusty, oily and high-low temperature environments; 3. Silver alloy contacts with super-large contact area ensure stable conduction and strong arc resistance for high-frequency operation of super-large equipment; 4. Ultra-thick integrated metal housing resists impact, deformation and vibration to withstand high-strength mechanical shock of heavy machinery; 5. Full-area waterproof and dustproof sealing structure adapts to extreme harsh working conditions such as open-air outdoors, mines and heavy-duty workshops.

Application Scenarios

Control panels for super-large mining excavation equipment and heavy engineering special machinery; electric control equipment for complete open-air wind power, photovoltaic and energy storage units; super-high-power hydraulic pump stations, booster units and large industrial air compressor systems; heavy vehicle manufacturing lines and large integrated automation complete equipment; ultra-heavy port conveying machinery and large intelligent warehouse heavy-duty equipment; manual control keys for industrial large special constant-temperature, drying and smelting equipment.

FAQ

Q1: Is the 40mm button suitable for small equipment? A: Featuring large aperture and long pressing stroke, it is exclusively designed for super-large heavy-duty equipment and not applicable to small precision equipment panels.

Q2: Does the large-size button have shorter mechanical life? A: Adopting reinforced contacts and strengthened internal structure, it maintains the same long mechanical life as high-end ordinary-size buttons with excellent durability.

Q3: Is installation available for non-standard thick panels? A: Bulk orders support customized extended threads and special fixing structures to fit various ultra-thick industrial equipment panels.

Customer Case

A large mining equipment manufacturer in Inner Mongolia specializes in open-pit mining heavy equipment, which operates under extreme dust and severe vibration conditions, leading to frequent misoperation and damage of ordinary small buttons. After batch replacement with HOSONG 40mm flat non-illuminated buttons, equipment button failure rate is greatly reduced with significantly improved operation safety. The annual purchase volume reaches 8,000 pieces as the standard key for all mining heavy-duty equipment.

Product Brand: HOSONG Product Model: HS40A-P◇□/◎ Mounting Diameter: Φ40mm Head Shape: Flat Round Switch Configuration: 1NO1NC; 2NO2NC Operating Type: Self‑returning / Self‑locking Lighting Type: None Lighting Color: None Luminescent Voltage: None Housing Material: Brass with Chrome Plating / Stainless Steel Contact Material: Silver Alloy Rated Voltage: 3A / AC220V