SchneiderPushbuttons, Switches, Pilot Lights, Control Stations and Joysticks

XB7NS8444

Name: XB7NS8444
Brand: Schneider
SKU: XB7NS8444

The Schneider Electric XB7NS8444 Harmony Pushbutton is a high-quality emergency stop solution designed for industrial applications.

Product ModelXB7NS8444

Product ID37103

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureReliable and efficient emergency stop solution.
2
FeatureAdvanced features for precise control and safety.
3
FeatureDurable plastic housing for long-lasting performance.
4
FeatureSuitable for a wide range of industrial applications.
5
FeatureEasy to install and integrate into existing systems.

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 XB7

Product or Component Type

Emergency stop push-button

Device short name

XB7

Mounting diameter

0.9 in (22 mm)

Sale per indivisible quantity

Shape of signaling unit head

Round

Reset

Turn to release

Operator profile

Red mushroom Ã 40 mm, unmarked

Contacts type and composition

2 NC

Connections - terminals

Screw clamp terminals, <= 2 x 1.5 mmÂ² with cable end IEC 60947-1Screw clamp terminals, 1 x 0.34...2 x 2.5 mmÂ² without cable end IEC 60947-1

Device presentation

Monolithic product

CAD overall width

1.6 in (40 mm)

CAD overall height

1.6 in (40 mm)

CAD overall depth

2.8 in (72 mm)

Terminals description ISO nÂ°1

(11-12)NC(21-22)NC

Net Weight

0.077 lb(US) (0.035 kg)

Device mounting

Fixing hole 0.9 in (22.5 mm) 22.3 +0.4/0 IEC 60947-1

Fixing center

>= 30 x 40 mm support panel) metal 0.04...0.2 in (1...6 mm)>= 30 x 40 mm support panel) plastic 0.08...0.2 in (2...6 mm)

Fixing mode

Fixing nut beneath head 17.7...21.2 lbf.in (2...2.4 N.m)

Contact operation

Snap action

Contacts usage

Standard

Positive opening

With IEC 60947-5-1 appendix K

Mechanical durability

100000 cycles

Tightening torque

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

Shape of screw head

Cross JIS No 1Cross Philips no 1Cross pozidriv No 1Slotted flat Ã 4 mmSlotted flat Ã 5.5 mm

Short-circuit protection

4 A cartridge fuse gG IEC 60947-5-1

[Ui] rated insulation voltage

250 V 3)IEC 60947-1

[Uimp] rated impulse withstand voltage

4 kV IEC 60947-1

[Ie] rated operational current

0.1 A 250 V, DC-13, R300 IEC 60947-5-10.22 A 125 V, DC-13, R300 IEC 60947-5-10.75 A 240 V, AC-15, C300 IEC 60947-5-11.5 A 120 V, AC-15, C300 IEC 60947-5-1

Electrical durability

1000000 cycles, DC-13, 0.3 A 24 V 216000 cyc/mn 0.5 IEC 60947-5-1 appendix C1000000 cycles, AC-15, 0.03 A 230 V 216000 cyc/mn 0.5 IEC 60947-5-1 appendix C1000000 cycles, AC-15, 0.09 A 240 V 108000 cyc/mn 0.5 IEC 60947-5-1 appendix C

Electrical reliability

Î < 5 x 10exp(-7) 17 V 5 mA IEC 60947-5-4

Protective treatment

Ambient Air Temperature for Storage

-40...158 °F (-40...70 °C)

Ambient Air Temperature for Operation

-13...158 °F (-25...70 °C)

Electrical shock protection class

Class II IEC 60536

IP degree of protection

IP20 IEC 60529 rear face)IP65 IEC 60529 front face)

NEMA degree of protection

NEMA 12 UL 50NEMA 3 UL 50

Standards

IEC 60204-1UL 508ISO 13850IEC 60947-5-1IEC 60947-1IEC 60947-5-5IEC 60364-5-53CSA C22.2 No 14

Product Certifications

GOSTCCC

Vibration resistance

5 gn 2...500 Hz)IEC 60068-2-6

Shock resistance

15 gn 11 ms) half sine wave acceleration IEC 60068-2-27