The XB7ND21 is a versatile, monolithic selector switch designed for electrical installations, featuring a stay-put mechanism and screw clamp terminals.
Product ModelXB7ND21
Product ID36984
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureEfficient and reliable operation with a stay-put mechanism.
2
FeatureEasy installation with screw clamp terminals.
3
FeatureIdeal for various electrical applications, including residential and commercial use.
4
FeatureCompact design with a 22mm diameter, perfect for space-constrained installations.
5
FeatureDurable construction for long-lasting performance.
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
Selector switch
Device short name
XB7
Mounting diameter
0.9 in (22 mm)
Sale per indivisible quantity
10
Net Weight
0.057 lb(US) (0.026 kg)
IP degree of protection
IP20 IEC 60529 rear face)IP65 IEC 60529 front face)
Shape of signaling unit head
Round
Type of operator
stay put
Operator profile
Black standard handle
Operator position information
2 positions 90°
Contacts type and composition
1 NO
Positive opening
Without
CAD overall width
1.1 in (29 mm)
CAD overall height
1.1 in (29 mm)
CAD overall depth
2.7 in (68.5 mm)
Terminals description ISO n°1
(13-14)NO
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 17.7...21.2 lbf.in (2...2.4 N.m)
Contact operation
Slow-break
Mechanical durability
300000 cycles
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
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)
Electrical shock protection class
Class II IEC 61140
NEMA degree of protection
NEMA 12 UL 50 ENEMA 3 UL 50 E
Standards
CSA C22.2 No 14UL 508IEC 60947-5-1JIS C8201-5-1IEC 60947-1JIS C8201-1
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
XB7ND21 Monolithic Selector Switch by Schneider Electric | INDPRT
