Schneider Electric XB4BC21 Harmony XB4 mushroom push button black 40 mm - 1NO

Schneider Electric XB4BC21 Harmony XB4 Metal Black Mushroom 40 mm 22 mm Spring Return 1NO Push Button

Name: Schneider Electric XB4BC21 Harmony XB4 Metal Black Mushroom 40 mm 22 mm Spring Return 1NO Push Button
Brand: Schneider Electric
SKU: XB4BC21
Price: 13.05 USD
Availability: OutOfStock
Rating: 5.0 (10 reviews)

Brand: Schneider Electric

Reference No: XB4BC21

Catalog No: XB4BC21

Series: Harmony XB4

Tariff Code (HS): 853650

Stock: 0

Delivery time: 30 business day(s)

Shipping Origin: Türkiye EXW

$13.05

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Description

The Schneider Electric XB4BC21 is a Harmony XB4 push button with a black 40 mm mushroom head, unmarked, mounted on a 22.5 mm metal body. It operates on a spring return mechanism, not a latching one, switches 1 NO contact rated 10 A Ith, and installs into a standard 22.5 mm panel cut-out with screw-clamp terminals.

Technical Specifications

SKU	XB4BC21
Brand	Schneider Electric
Range	Harmony XB4
Product Type	Push-button, mushroom head
Bezel Material	Chromium plated metal
Fixing Collar Material	Zamak
Mounting Diameter	22.5 mm
Operator Type	Spring return
Operator Profile	Black mushroom, 40 mm diameter, unmarked
Contacts	1 NO, slow-break
Rated Insulation / Impulse Withstand Voltage	600 V / 6 kV
Conventional Thermal Current (Ith)	10 A
Rated Operational Current (Ie)	3 A at 240 V / 6 A at 120 V, AC-15
Short-circuit Protection	10 A gG cartridge fuse
Contact Material	Silver alloy (Ag/Ni)
IP Degree of Protection	IP66 / IP69 / IP69K
IK Degree of Protection	IK06
Operating Temperature	-40...70 C
Net Weight	0.122 kg

Certifications & Standards

IEC 60947-5-1
UL 508
CSA C22.2 No 14
DNV
BV

Selection Notes

The 40 mm mushroom head on the XB4BC21 gives a larger strike target than the standard round flush operators in the XB4 range, useful where an operator needs to hit the button quickly without precise aim. Because it is spring return, not stay-put/latching, it does not serve as an emergency stop - a panel needing a fail-safe latching stop should specify a dedicated emergency-stop mushroom variant with a 1 NC contact instead.

Technical Details

Short Description

Harmony XB4 push button, black 40 mm mushroom head, spring return, 1NO, IP69K.

Mounting Type

Panel mount, 22.5 mm cut-out

Protection Type

IP69K

Catalog No

XB4BC21

Delivery Date (Days)

30 days

Model Number

XB4BC

Tariff Code

853650

Schneider Electric XB4BC21 Harmony XB4 Metal Black Mushroom 40 mm 22 mm Spring Return 1NO Push Button

Technical Specifications

Certifications & Standards

Selection Notes

Technical Details

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Schneider Electric XB4BC21 Harmony XB4 Metal Black Mushroom 40 mm 22 mm Spring Return 1NO Push Button

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