SchneiderPushbuttons, Switches, Pilot Lights, Control Stations and Joysticks

XB4BC21GEX

Name: XB4BC21GEX
Brand: Schneider
SKU: XB4BC21GEX

The XB4BC21GEX is a complete push button designed for explosive atmospheres, offering high mechanical durability and reliable connections.

Product ModelXB4BC21GEX

Product ID35354

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureDesigned for explosive atmospheres, ensuring safety in hazardous environments.
2
FeatureHigh mechanical durability with up to 5,000,000 cycles.
3
FeatureReliable screw clamp terminals for secure connections.
4
FeatureIdeal for applications requiring high reliability and safety standards.
5
FeatureCompliant with ATEX D standards for use in explosive atmospheres.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range of Product

Harmony XB4

Product or Component Type

Complete push-button

Device short name

XB4

Bezel material

Chromium plated metal

Fixing collar material

Zamak

Mounting diameter

0.9 in (22 mm)

Sale per indivisible quantity

Dust zone

Zone 21 - 22

Gas zone

Zone 1 - 2

Type of operator

spring return

Operator profile

Black mushroom Ã 40 mm

Contacts type and composition

1 NO

Width

1.8 in (46.2 mm)

Height

1.2 in (30 mm)

Depth

3.8 in (96.5 mm)

Net Weight

0.278 lb(US) (0.126 kg)

Device mounting

Fixing hole 0.9 in (22.5 mm) +/- 0.2 mm IEC 60947-1

Fixing center

>= 30 x 40 mm support panel) 0.04...0.2 in (1...6 mm)

Embedding Depth

2.3 in (58 mm)

marking

Ex tb IIIC DbII 2 GDEx db eb IIC Gb

Shape of signaling unit head

Round

Contact operation

Slow-break

Positive opening

Without

Operating travel

0.065 in (1.657 mm) engagement point)0.182 in (4.622 mm) changing state point)0.175 in (4.452 mm) total travel)

Operating force

3.962 N

Mechanical durability

5000000 cycles

Connections - terminals

Screw clamp terminals, 2 x 1.5 mmÂ² with cable end IEC 60947-1Screw clamp terminals, 1 x 2.5 mmÂ² without cable end IEC 60947-1

Tightening torque

7.08...10.6 lbf.in (0.8...1.2 N.m) IEC 60947-1

[Ith] conventional free air thermal current

10 A IEC 60947-5-1

[Ui] rated insulation voltage

415 V

[Ie] rated operational current

1.9 A 380 V, AC, A600 IEC 60947-5-13 A 240 V, AC, A600 IEC 60947-5-16 A 120 V, AC, A600 IEC 60947-5-10.27 A 250 V, DC, Q300 IEC 60947-5-10.55 A 125 V, DC, Q300 IEC 60947-5-12.87 A 24 V, DC, Q300 IEC 60947-5-1

Protective treatment

Ambient Air Temperature for Storage

-40...158 °F (-40...70 °C)

Ambient Air Temperature for Operation

-4...167 °F (-20...75 °C)

IP degree of protection

IP65 IEC 60529

Standards

IEC 60079-0:2009EN/IEC 60079-1:2009IEC 60079-7:2009IEC 60079-31:2009UL 60079-0UL 60079-1UL 60079-31ANSI/ISA 12.12.01CSA C22.2 No 213

Product Certifications

INERIS 04ATEX9004U