The XB7NA21 is a monolithic push button switch from Schneider Electric, designed with a spring return mechanism and screw clamp terminals for easy installation.
Product ModelXB7NA21
Product ID37154
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureEasy installation with spring return mechanism
2
FeatureDurable construction with plastic material
3
FeatureReliable operation with screw clamp terminals
4
FeatureVersatile for various applications
5
FeatureCompact design with a flush mounting type
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
Push-button
Device short name
XB7
Mounting diameter
0.9 in (22 mm)
Sale per indivisible quantity
10
IP degree of protection
IP20 IEC 60529 rear face)IP65 IEC 60529 front face)
Shape of signaling unit head
Round
Type of operator
spring return
Operator profile
Black flush, unmarked
Contacts type and composition
1 NO
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
1.1 in (29 mm)
CAD overall height
1.1 in (29 mm)
CAD overall depth
2.05 in (52 mm)
Terminals description ISO n°1
(13-14)NO
Net Weight
0.04 lb(US) (0.02 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
Slow-break
Positive opening
With (only NO)
Mechanical durability
1000000 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 60947-5-10.3 A 240 V, AC-14, D300 IEC 60947-5-10.6 A 120 V, AC-14, D300 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 <= 10exp(-6) 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)
Overvoltage category
Class II IEC 61140
NEMA degree of protection
NEMA 12 UL 50 ENEMA 3 UL 50 E
Standards
IEC 60947-5-1IEC 60947-1CSA C22.2 No 14UL 508JIS C8201-5-1JIS C8201-1
Product Certifications
CCCGOST
Vibration resistance
5 gn 2...500 Hz)IEC 60068-2-6
Shock resistance
50 gn 11 ms) half sine wave acceleration IEC 60068-2-2730 gn 18 ms) half sine wave acceleration IEC 60068-2-27
XB7NA21 - Harmony XB7 Monolithic Push Button by Schneider Electric | INDPRT
