We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
SCHNEIDER XB4BG21 Panel-Mounted Key Switch, 22 mm, 1NO, Maintained/Maintained - Panel-Mounted Key Switches with Contacts
SCHNEIDERPanel-Mounted Key Switches with Contacts

SCHNEIDER XB4BG21 Panel-Mounted Key Switch, 22 mm, 1NO, Maintained/Maintained

The SCHNEIDER ELECTRIC Selector Switch is a panel-mounted key switch with contacts from the XB4 series, featuring a 2-position maintained/maintained switch action and a 1NO contact form. It has a 22 mm panel mounting…

SKU 3G-OTH-32022

Brand
SCHNEIDER
Item
XB4BG21 Panel-Mounted Key Switch, 22 mm, 1NO, Maintained/Maintained
Part Number
XB4BG21
Category
Panel-Mounted Key Switches with Contacts
Available to Order
Also known as:XB4BG21SCHNEIDER
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SCHNEIDER
Manufacturer Part Number
XB4BG21
Type
1NO, Series XB4
Contact Form
1NO
Switch Action
Maintained/Maintained
Panel Mounting Size
22 mm
Key Removal Position
Left

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SCHNEIDER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SCHNEIDER ELECTRIC Selector Switch is a panel-mounted key switch with contacts from the XB4 series, featuring a 2-position maintained/maintained switch action and a 1NO contact form. It has a 22 mm panel mounting size and a key removal position of left, identified by manufacturer part number XB4BG21.

Frequently Asked Questions

What is the SCHNEIDER ELECTRIC XB4BG21 selector switch used for?

The SCHNEIDER ELECTRIC XB4BG21 is a panel-mounted key switch with contacts used for machine control and safety applications. Its 2-position maintained action and key removal in the left position make it suitable for access-restricted start/stop or mode selection in industrial environments.

What are the specifications of the SCHNEIDER XB4BG21 selector switch?

The SCHNEIDER XB4BG21 is a 2-position maintained/maintained selector switch with a 1NO contact form. It has a 22 mm panel mounting size and a key removal position of left. It is part of the XB4 series and is identified by manufacturer part number XB4BG21.

Where to buy the SCHNEIDER XB4BG21 selector switch worldwide?

3G Electric supplies the SCHNEIDER XB4BG21 selector switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this XB4 series key switch.

How to install the SCHNEIDER XB4BG21 selector switch?

Install the SCHNEIDER XB4BG21 by mounting it in a 22 mm panel cutout and securing it with the provided nut. Wire the 1NO contact according to your control circuit. Ensure the key is removed only in the left position as specified. Follow standard electrical safety practices during installation.

Used in

Common applications for SCHNEIDER
Industrial motor control — TeSys Deca LADR0 off-delay timer module for timed contactor operation
Control panel automation — Schneider 781R series socket-mounted relay with 24V AC coil and SPDT contacts
Machine control systems — Schneider 784 series 4PDT relay rated 15 A for signal switching
Electrical panel branch protection — C60BP 2-pole 35 A C-curve miniature circuit breaker
Motor management systems — TeSys Island TPRAN2X1 analog I/O expansion module for process monitoring
Control circuit supplementary protection — C60SP 1-pole 40 A B-curve supplementary protector
Not sure this is the right part? Photo-identify it→

SCHNEIDER Products

3G Electric supplies SCHNEIDER panel-mounted key switches with contacts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SCHNEIDER

View all SCHNEIDER parts →
SCHNEIDER XB4BG33 is a 3-position key-operated selector switch from the XB4 series. It features a maintained/maintained/maintained switch action with a 2NO contact form and a key removal position in the center. Designed for 22 mm panel mounting, this switch provides a secure control interface for industrial equipment requiring authorized access
SCHNEIDER
SCHNEIDER XB4BG33 is a 3-position key-operated selector switch from the XB4 series. It features a maintained/maintained/maintained switch action with a 2NO contact form and a key removal position in the center. Designed for 22 mm panel mounting, this switch provides a secure control interface for industrial equipment requiring authorized access
Panel-mounted key switch from the XB5 series with a 22 mm mounting diameter. Features a 3-position maintained switch action and 2 normally open contacts. Key can be removed in any position. Suitable for industrial control panel applications requiring key-operated selection between multiple states
SCHNEIDER
Panel-mounted key switch from the XB5 series with a 22 mm mounting diameter. Features a 3-position maintained switch action and 2 normally open contacts. Key can be removed in any position. Suitable for industrial control panel applications requiring key-operated selection between multiple states

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first