Schneider Electric ZB4BS944: 22mm emergency push switch head for Harmony pushbuttons and switches, with IP66, IK03, and NEMA 4X ratings.
Product ModelZB4BS944107
Product ID24402
Stock on Request
Last updated: 9/5/2026
Key Features
1
FeatureRobust design with 300,000 mechanical cycles durability.
2
FeatureCompliant with IP66, IK03, and NEMA 4X ratings for harsh environments.
3
FeatureErgonomic design for easy operation in various industrial settings.
4
FeatureFeatures a Ronis 455 keylock mechanism for secure reset.
5
FeatureSuitable for Harmony pushbuttons and switches, ensuring compatibility and ease of integration.
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 emergency switching off push-button
Device short name
ZB4
Bezel material
Black metal
Mounting diameter
0.9 in (22 mm)
Sale per indivisible quantity
1
Shape of signaling unit head
Round
Type of operator
trigger action and mechanical latching
Reset
Key release
Operator profile
Red mushroom à 40 mm, unmarked
Type of Keylock
Key 458A
Key withdrawal position
Center
Head type
Standard
CAD overall width
1.6 in (40 mm)
CAD overall height
1.6 in (40 mm)
CAD overall depth
3.1 in (79 mm)
Net Weight
0.216 lb(US) (0.098 kg)
Resistance to high pressure washer
1015.3 psi (7000000 Pa) 131 °F (55 °C) 0.1 m
Mechanical durability
300000 cycles
Electrical composition code
C7 4 single front mountingC8 4 single and double front mountingC11 3 single front mountingC15 1 single front mountingC10 4 single and double 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
-40...158 °F (-40...70 °C)
Electrical shock protection class
Class I IEC 61140
IP degree of protection
IP66 IEC 60529IP67IP69IP69K
NEMA degree of protection
NEMA 13NEMA 4XNEMA 4NEMA 12
IK degree of protection
IK03 conforming to IEC 50102
Standards
UL 508EN/IEC 60947-1EN/IEC 60947-5-5IEC 60364-5-53EN/ISO 13850EN/IEC 60947-5-4EN/IEC 60204-1CSA C22.2 No 14EN/IEC 60947-5-1GB 14048.5JIS C8201-5-1JIS C8201-1
Product Certifications
GLBVCSAUL ListedDNVLROS (Lloyds register of shipping)
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
Schneider Electric ZB4BS944 Emergency Push Switch Head | INDPRT