SchneiderPushbuttons, Switches, Pilot Lights, Control Stations and Joysticks

XB4BS8444GEX

Name: XB4BS8444GEX
Brand: Schneider
SKU: XB4BS8444GEX

A metal emergency stop pushbutton with a 40mm diameter mushroom head, designed for applications in the Oil and Gas industry.

Product ModelXB4BS8444GEX

Product ID35378

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureEnsures operator safety with its ergonomic design.
2
FeatureWide modular range to suit various machines and environments.
3
FeatureDesigned to fit in a 22mm cut-out or Harmony XAPK control station.
4
FeatureLarge set of accessories including circular legends and illuminated legend rings for harsh environments.
5
FeatureEasy replacement and servicing due to screw clamp connection.

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 emergency stop 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

trigger action and mechanical latching

Reset

Turn to release

Operator profile

Red mushroom Ã 40 mm

Contacts type and composition

1 NC + 1 NC

Width

1.8 in (46.2 mm)

Height

1.2 in (30 mm)

Depth

4.7 in (119.5 mm)

Net Weight

0.309 lb(US) (0.140 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

II 2 GDEx tb IIIC DbEx db eb IIC Gb

Shape of signaling unit head

Round

Contact operation

Slow-break

Contacts usage

Standard

Positive opening

With IEC 60947-5-1 appendix K

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...149 °F (-20...65 °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