The ZB4BG2K1321A is a high-quality key selector switch head designed for control and signaling units, offering a durable metal construction and reliable 2-position functionality.
Product ModelZB4BG2K1321A
Product ID38078
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureDurable metal construction for long-lasting performance
2
Feature2-position functionality for precise control
3
FeatureIdeal for control and signaling units in various applications
4
FeatureCompact Ø22mm design for easy installation
5
FeatureReliable operation with 1321A key 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 XB4
Product or Component Type
Head for key selector switch
Device short name
ZB4
Bezel material
Chromium plated metal
Mounting diameter
0.9 in (22 mm)
Sale per indivisible quantity
1
Shape of signaling unit head
Round
Operator profile
Black key switch
Operator position information
2 positions 90°
Type of Keylock
Key 1321A
Product compatibility
4 multi-chip
Key withdrawal position
Left
CAD overall width
1.1 in (29 mm)
CAD overall height
1.1 in (29 mm)
CAD overall depth
2.8 in (72 mm)
Resistance to high pressure washer
1015.3 psi (7000000 Pa) 131 °F (55 °C) 0.1 m
Mechanical durability
1000000 cycles
Electrical composition code
C3 6 single front mountingC4 6 single and double front mountingC5 5 single front mountingC6 5 single and double front mountingC7 4 single front mountingC8 4 single and double front mountingC11 3 single front mountingC15 1 single front mounting
Device presentation
Basic element
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 I IEC 60536
IP degree of protection
IP69K IEC 60529
NEMA degree of protection
NEMA 13NEMA 4X
Standards
UL 508EN/IEC 60947-5-5EN/IEC 60947-5-4EN/IEC 60947-1CSA C22.2 No 14GB 14048.5EN/IEC 60947-5-1
Product Certifications
LROS (Lloyds register of shipping)CSABVUL ListedGLDNV
Vibration resistance
5 gn 2...500 Hz)IEC 60068-2-6
Shock resistance
30 gn 18 ms) half sine wave acceleration IEC 60068-2-2750 gn 11 ms) half sine wave acceleration IEC 60068-2-27
ZB4BG2K1321A - Key Selector Switch Head Ø22 2 Position - 1321A | INDPRT