Complementary
CAD overall width	29 mm
CAD overall height	29 mm
CAD overall depth	28 mm
Net weight	0.018 kg
Mechanical durability	10000000 cycles
Station name	XALD 1...5 cut-outs; XALK 2...5 cut-outs
Electrical composition code	C1 for
Device presentation	Basic element
Contractual warranty
Warranty (in months)	18
Environment
Protective treatment	TH
Ambient air temperature for storage	-40…70 °C
Ambient air temperature for operation	-40…70 °C
Overvoltage category	Class II conforming to IEC 60536
IP degree of protection	IP66 conforming to IEC 60529; IP67; IP69; IP69K
Enclosure Type	UL type 4X/13
Resistance to high pressure washer	7000000 Pa at 55 °C, distance : 0.1 m
IK degree of protection	IK03 conforming to IEC 50102
Standards	UL 508; IEC 60947-1; IEC 60947-5-1; CSA C22.2 No 14; IEC 60947-5-4; JIS C8201-5-1; JIS C8201-1
Product certifications	DNV; CSA; BV; LROS (Lloyds register of shipping); UL listed
Shock resistance	30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27; 50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27
Vibration resistance	5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6
Logistical informations
Country of origin	FR
Main
Range of product	Harmony XB5
Product or component type	Head for non-illuminated push-button
Device short name	ZB5
Bezel material	Dark grey plastic
Mounting diameter	22 mm
Head type	Standard
Sale per indivisible quantity	1
Shape of signaling unit head	Round
Type of operator	spring return
Operator profile	Green flush, unmarked
Packing Units
Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1 Height	4.500 cm
Package 1 Width	3.400 cm
Package 1 Length	5.400 cm
Package 1 Weight	17.000 g
Unit Type of Package 2	S03
Number of Units in Package 2	300
Package 2 Height	30.000 cm
Package 2 Width	30.000 cm
Package 2 Length	40.000 cm
Package 2 Weight	5.564 kg
Unit Type of Package 3	P06
Number of Units in Package 3	2400
Package 3 Height	75.000 cm
Package 3 Width	60.000 cm
Package 3 Length	80.000 cm
Package 3 Weight	55.060 kg

The product ZB5AA3 from Schneider Electric is a front element for unlit pushbuttons from the Harmony XB5 series. It serves as a replacement or supplementary part for industrial control and signaling devices and is used in control systems where mechanical actuation with green signal optics is required. The front element is made of dark gray plastic and features a round, flat head shape with a mounting diameter of 22 mm. It is unmarked and without detent, allowing flexible integration into existing control panels.

Applications
This front element is designed for use in industrial environments, particularly in installations requiring high mechanical robustness and environmental resistance. It is suitable for control and switchboards in manufacturing, process engineering, as well as in shipping and rail vehicle construction, where certifications according to LROS (Lloyds Register of Shipping) and DNV are relevant. The protection rating IP66, IP67, IP69, and IP69K ensures high protection against dust, water, and high-pressure cleaning, making it suitable for outdoor use or in damp, dirty environments.

Functions and Equipment in Detail
The front element is designed as a basic component and serves as the visible actuation surface for pushbuttons. It is mounted in combination with a matching button body, with reset achieved via a spring. The mechanical life cycle is 10,000,000 cycles, ensuring high durability and long service life under industrial conditions. The surface is chemical-resistant and withstands frequent cleaning procedures, including high-pressure cleaning at 7,000,000 Pa pressure at 55 °C from a distance of 0.1 m.

Technology Explained Simply
The IP66 protection rating means the device is dust-tight and protected against water jets from any direction. IP67 provides additional protection against temporary submersion. IP69 and IP69K offer protection against hot steam and high-pressure cleaning, which is relevant for hygiene requirements in the food industry or medical applications. The IK03 protection rating safeguards against mechanical impacts such as light shocks. The operating temperature range of -40 to +70 °C enables use in extreme environments, from cold storage facilities to hot production areas.

Compatibility and Accessories
The front element is part of the modular Harmony XB5 program with a 22 mm mounting size and can be combined with various button bodies, protective caps, and labeling elements. Suitable accessories include, for example, the label holder ZBY2101 with blank label, the mounting key ZB5AZ905 for installation, or the protective cap ZBPA for additional protection. Combination with enclosures such as XALD213 enables integration into complete control panels with multiple buttons.

Mounting and Installation
Mounting is done into a cutout with a diameter of 22 mm. The dimensions of the front element are 29 mm (width) × 29 mm (height) × 28 mm (depth). The TH coating enables easy installation in standard control enclosures. Vibration resistance of 5 gn in the frequency range of 2 to 500 Hz, along with shock resistance of 30 gn (18 ms) and 50 gn (11 ms), ensures reliable operation even under dynamic operating conditions.

Operational Advantages
The front element offers high mechanical life, resistance to chemical influences and extreme temperatures, and complies with international standards such as UL 508, IEC 60947-1, IEC 60947-5-1, CSA C22.2 No. 14, IEC 60947-5-4, JIS C8201-5-1, and JIS C8201-1. Certifications by DNV, CSA, BV, LROS, and UL-listed ensure suitability for international and specialized applications. The modular design allows flexible adaptation to different control panel configurations.

The product is packaged as a single unit and delivered in individual packaging (PCE). The warranty period is 18 months.