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Complete emergency stop push button, Harmony XB4 ATEX D, Explosive atmosphere, turn to release

SKU: XB4BS8444GEX

About Product

This product is part of the Harmony XB4 - ATEX D range, an offer of Ø 22mm metal pushbuttons, switches and pilot lights for explosive atmosphere. This emergency switching off pusbutton comes with a mushroom head. This offer is specially designed for explosive atmosphere. It is designed for used in dust zone 21-22 and gas zone 1-2. It comes with trigger action and mechanical latching and turn to release operation. It has 2 NC contact with slow-break operation. This is a metal emergency stop pushbutton with a 40mm diameter mushroom head. This offer is specially designed for applications in Oil and Gas industry as well as Food and beverage, car gas stations etc. It is an IP65 rated product and comes with INERIS 04ATEX9004U certification. It is easily installed into a standard 22mm diameter panel cut-outs and connected to control circuits with screw-clamp connections. The Harmony XB4 range offers innovative features for simple and efficient use. The Harmony XB4 - ATEX is the most comprehensive explosive Atmospheres range covering most applications.

Main

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 diamete

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 Ø 40 mm

Contacts type and composition

1 NC + 1 NC

Complementary

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 GD
Ex tb IIIC Db
Ex 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 mm² with cable end IEC 60947-1
Screw clamp terminals, 1 x 2.5 mm² 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 60947-5-1
3 A 240 V, AC, A600 IEC 60947-5-1
6 A 120 V, AC, A600 IEC 60947-5-1
0.27 A 250 V, DC, Q300 IEC 60947-5-1
0.55 A 125 V, DC, Q300 IEC 60947-5-1
2.87 A 24 V, DC, Q300 IEC 60947-5-1