New Original Schneider XB4BD21 XB4 modular black selector switch

New Original Schneider XB4BD21 XB4 modular black selector switch - Image 2

New Original Schneider XB4BD21 XB4 modular black selector switch - Image 3

New Original Schneider XB4BD21 XB4 modular black selector switch - Image 4

New Original Schneider XB4BD21 XB4 modular black selector switch

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Category: Schneider

New Original Schneider XB4BD21 XB4 Modular Black Selector Switch

1. Product Overview

The XB4BD21 is a brand-new genuine two-position selector switch belonging to Schneider Electric Harmony XB4 series modular control components. It adopts the standard 22 mm panel mounting structure, equipped with a chrome-plated metal bezel, black long handle actuator and pre-assembled 1 normally open (1NO) slow-break contact block. This self-locking type selector switch is supplied as a fully pre-assembled unit, widely installed on control cabinet panels, machine operation consoles, local control stations of automated equipment, pump and fan control boxes, and various mechanical operation panels. It is designed for manual mode switching in industrial control circuits, featuring excellent mechanical impact resistance, high dustproof and waterproof protection grade, reliable contact conduction performance and standardized modular assembly structure, which can work stably for a long time in complex vibrating, dusty and humid industrial environments.

2. Main Functions

Two-Position Mode Switching Control

It has two stable working positions. When rotating the black handle to the designated position, the internal normally open contact closes to output a continuous switching signal; the contact keeps its status after releasing hand force without automatic rebound, which is used to switch between automatic and manual modes, local and remote control modes.
Continuous Control Signal Output

It transmits fixed state signals to intermediate relays, contactor coils or PLC digital input terminals, realizing sustained circuit switching, mode selection and long-term enabling or interlock cut-off of automatic control programs.
On-site Operation Mode Selection

Provides independent mode switching function separate from remote control system, convenient for switching equipment between commissioning mode, production running mode and maintenance mode on site.
Modular Function Expansion Compatibility

Fully compatible with all contact blocks, contact bases and dedicated accessories of XB4 series. Users can expand multiple normally open or normally closed contacts flexibly to meet the wiring design requirements of complex interlock and multi-loop control circuits.
Clear Functional Identification Management

The black handle is a conventional neutral color for mode selection switches in industrial electrical systems, helping operators quickly distinguish mode switching components from start-stop push buttons for standardized operation management.

3. Technical Features

Core Electrical & Performance Specification Table

表格

Specification Item	Technical Parameter
Full Model Number	XB4BD21
Product Series	Schneider Harmony XB4 Modular Control Components
Actuator Style	Black long handle, two-position self-locking rotary selector
Handle Color	Black
Operation Mode	2-position maintained (self-locking, no automatic reset)
Internal Contact Configuration	1 Normally Open (1NO), slow-break structure
Terminal Marking	Terminals 13-14 for NO contact
Rated Insulation Voltage (Ui)	600 V
Rated Impulse Withstand Voltage (Uimp)	6 kV
AC Rated Operational Current (AC-15)	6 A @ 120 V AC; 3 A @ 240 V AC
DC Rated Operational Current	0.55 A @ 125 V DC
Mechanical Endurance Life	1,000,000 rotation cycles
Electrical Endurance Life (under rated load)	500,000 operation cycles
Ingress Protection Class	IP66, IP67, IP69K
Mechanical Impact Resistance Grade	IK06
Operating Ambient Temperature Range	-40 °C ~ +70 °C
Storage Temperature Range	-45 °C ~ +85 °C
Standard Panel Mount Hole Diameter	22 mm
Wiring Terminal Type	Screw clamping terminal
Applicable Wire Cross Section	0.22 ~ 2.5 mm² single solid wire; maximum 2 × 1.5 mm² wires with wire ferrules
Conforming Standards	IEC 60947-1, IEC 60947-5-1

Structural and Performance Advantages

High-Strength Anti-Corrosion Metal Frame Structure

Chrome-plated decorative bezel matched with zinc alloy locking sleeve has outstanding scratch resistance, wear resistance and rust-proof property, adapting to dusty, humid and slightly corrosive workshop application environments.
Stable Silver Alloy Contact System

Silver-nickel alloy contact tips effectively resist electric arc ablation and surface oxidation after frequent rotary switching, maintaining stable contact resistance during long-term continuous operation and preventing signal interruption caused by poor contact.
Multi-Layer Sealing Dustproof and Waterproof Construction

Multi-channel internal sealing design realizes high-level ingress protection, effectively blocking dust accumulation and splashing water penetration, and can withstand high-pressure water jet cleaning on equipment surfaces.
Simple and Efficient Panel Installation Structure

Only one locking nut is needed for front-panel mounting and disassembly, no special tools are required, improving work efficiency during on-site replacement and maintenance.
Anti-Vibration Anti-Loose Wiring Terminals

Anti-loosening screw structure prevents wire displacement and loose connection under long-term mechanical vibration, ensuring stable and reliable wiring connection.
Universal XB4 Modular Interface Compatibility

Unified assembly interface supports free combination with additional contact blocks, contact bases and locking accessories, enabling customized circuit expansion schemes according to practical control design demands.

4. Product Dimensions and Weight

Dimension Specification Table (Unit: mm)

表格

Dimension Description	Dimension Value
Overall Width	30
Overall Height	56
Rear Protruding Depth after Panel Installation	52
Complete Overall Outer Size	30 (W) × 56 (H) × 52 (D)

Weight Parameters

Net weight of single unit: approximately 85 grams
Gross weight with individual retail packaging: approximately 98 grams

WHO WE ARE

About us

Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.

Atifts Technology Co., Ltd. @ 2024

Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers. Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.

With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.

Where is your company located?

We are located next to Shanghai, the largest city in China, and Kunshan, the first economic county in China. With convenient transportation and developed logistics, it provides a good geographical advantage for our electronic components sales business.

What types of electronic components does your company mainly sell?

We are committed to providing many types and brands of electronic components, including but not limited to Sensors, Switches & Relays, Connectors, Circuit Protectio, Power Supplier & Cable, etc. We have established relationships with many well-known electronic component manufacturers. We have established long-term and stable relationships with many well-known electronic component manufacturers to ensure that the products we sell are of reliable quality and reasonable price.

What are the prices of your products?

Our product prices vary according to market conditions and product models. We are committed to providing high quality electronic components at fair and reasonable prices, and offer our customers a variety of incentives and flexible purchasing methods.

How to purchase your electronic components?

You can contact our customer service staff directly by phone, whatsapp, email, our official website. We support a variety of payment methods, and provide you with fast and safe logistics and distribution services.

How do you guarantee the quality of your products?

We attach great importance to product quality, all the electronic components we sell come from regular channels and undergo strict quality testing. We promise to provide customers with high-quality electronic components, and provide perfect after-sales service to ensure that customers have no worries in the process of use.

If I am not satisfied with the electronic components I purchased, can I return them?

We provide perfect after-sales service, if you are not satisfied with the purchased electronic components, you can return or exchange them within the specified time. Please refer to our official website or consult our customer service staff for the specific return policy and process.

Can your company provide technical support and solutions?

We have a professional technical team that can provide technical support and solutions for our customers. Whether you encounter any problems in choosing or using the products, we will be happy to answer your questions and provide professional technical support.

How to contact your customer service?

You can contact our customer service personnel through the online customer service system on our official website, telephone, e-mail or social media platforms. Our customer service staff will provide you with professional services and answer any questions you may have.

Does your company often organize promotional activities?

In order to give back to our customers, we will organize various promotions from time to time, including discounts, full reductions, giveaways and so on. Please keep an eye on our official website or social media platforms to stay up-to-date with the latest promotions.