The Schneider Electric XB7NS9444 Harmony Monolithic Emergency Stop is designed for safety applications, featuring 2 NC contacts and screw clamp terminals for secure connections.
Product ModelXB7NS9444
Product ID37105
Stock on Request
Last updated: 8/29/2026
Key Features
1
Feature-
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
10
Shape of signaling unit head
Round
Type of operator
mechanical latching
Reset
Key release
Operator profile
Red mushroom à 40 mm, unmarked
Type of Keylock
Key 455
Contacts type and composition
2 NC
Connections - terminals
Screw clamp terminals, <= 2 x 1.5 mm² with cable end IEC 60947-1Screw clamp terminals, 1 x 0.34...2 x 2.5 mm² 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 n°1
(13-14)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 à 4 mmSlotted flat à 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
TH
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)
