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ONN-M4B For CNC Machine Compact LED Warning Light RYG Indicator

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Shenzhen ONN Semi-Conductor Lighting Co., Ltd.

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ONN-M4B For CNC Machine Compact LED Warning Light RYG Indicator

Model Number : ONN-M4B-50

Connection type : PNP & NPN

MOQ : 1

Delivery Time : 5-8 work days

Function : Steady on/ Flash / Buzzer

Certification : CE cTUVus

Input Voltage(V) : DC12V/DC24V

Packaging Details : Negotiable according order quantity

Payment Terms : T/T

Brand Name : ONN

Material : Aluminum alloy + PC

Place of Origin : Guangdong, China

Color : Red Yellow Green/Red Green Blue

Price : $6.8-9

Application : Especially for cnc machine

Supply Ability : 400pcs 5-8working days

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ONN-M4B For CNC Machine Compact LED Warning Light RYG Indicator

Product Overview

The ONN-M4B is a mini hemispheric single-color integrated warning light engineered for space-constrained automation equipment panels. Its M30 standard thread nut mounting requires only a 30mm hole, enabling fast assembly without brackets and reducing panel design space. Two versions are offered—a silent IP65 model for coolant-exposed workshops and a buzzer IP30 model for assembly lines. An independent high-decibel buzzer is available as an option, and the light supports two mainstream PLC signal output types, ordinary wire and M12 aviation connector dual wiring, plus multiple steady/flash sound-light alarm modes. The aluminum anti-rust housing and anti-yellow PC dome deliver long-term stable operation, making it a widely adopted equipment status indicator for CNC, SMT, injection molding, and automated production line manufacturers.

Quick Details

Compact mini hemispheric design frees up machine panel installation space
M30 standard thread nut allows simple single-hole mounting, no bracket needed
Dual IP ratings: IP65 anti-splash silent version for coolant workshops; IP30 buzzer version for assembly lines
Optional 85dB loud buzzer gives sound-light dual fault alerts in noisy factories
PNP & NPN universal plus contact dual wiring, compatible with all PLC brands
Two outlet choices: ordinary wire or M12 aviation connector
Integrated RYG three-color dome provides 360° uniform light with no blind spots
Aluminum + anti-yellow PC construction for long-term anti-aging performance

Parameters

Spec Item	Details
Model	ONN-M4B-50
Size	Φ50 hemispheric dome
Mount	M30*P1.5 thread nut
IP Grade	Silent:IP65 / Buzzer:IP30
Voltage	DC12V / DC24V
Wiring	PNP/NPN / Contact / M12 connector optional
Function	Steady / Flash, 85dB buzzer optional
Color	RYG single layer integrated
Warranty	2 Years

Application

CNC machine, SMT equipment, injection molding, robot & automatic production line

ONN-M4B For CNC Machine Compact LED Warning Light RYG Indicator

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