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Picture of Head for emergency switching off push button, Harmony XB4, red 40mm stop, 22mm trigger and latching key release, key 3131A
SKU:

ZB4BS94420

Head for emergency switching off push button, Harmony XB4, red 40mm stop, 22mm trigger and latching key release, key 3131A

Old price: $204.38 INC GST
$159.42 INC GST
Available for Shipping : 26-Jan-2026
Product Selector
Head for emergency switching off push button, Harmony XB4, red 40mm stop, 22mm trigger and latching key release, key 3131A
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Manufacturer: Schneider Electric
Delivery date: 26-Jan-2026
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Catalog
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Instruction sheet
Circularity Profile
CAD
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Product Data Sheet
This Harmony XB4, emergency stop / shutdown 40mm mushroom red button head operates with a latched key release (key no.3131A) mechanism. This emergency stop / shutdown button head also called EMS (Emergency Machine Stop) and EMO (Emergency Off) provides an ergonomic interface for controlling your machines. It is easily installed on compatible complete emergency stop and switching off pushbuttons. It is clearly distinguishable visually at a distance thanks to a clear color and a prominent 40mm mushroom shape. It is impact resistant, dust resistant, water resistant and vibration resistant thanks to its IP66. It has a metal bezel, this makes it Ideal for applications requiring high impact and vibration resistance. It is designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery. Secure machine and system operation with a key, only available to authorized operators. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product.

Products specifications

Attribute name Attribute value
Main
Device short name ZB4
Sale per indivisible quantity 1
Key withdrawal position center
Head type standard
Type of operator trigger action and mechanical latching
Range of product Harmony XB4
Reset key release
Type of keylock key 3131A
Operator profile red mushroom Ø 40 mm, unmarked
Bezel material chromium plated metal
Shape of signaling unit head round
Product or component type head for emergency switching off push-button
Mounting diameter 22 mm
Complementary
Group of product emergency stop key release
Compatibility code ZB4
Mechanical durability 300000 cycles
Device presentation basic element
CAD overall height 40 mm
Customizable 0, no
Electrical composition code C10 for <4 contacts using single and double blocks in front mounting, C15 for <1 contacts using single blocks in front mounting, C11 for <3 contacts using single blocks in front mounting, C8 for <4 contacts using single and double blocks in front mounting, C7 for <4 contacts using single blocks in front mounting
Main group E-stop
CAD overall depth 79 mm
CAD overall width 40 mm
Marking unmarked
Cap/operator or lens colour red
Resistance to high pressure washer 7000000 Pa at 55 °C, distance : 0.1 m
Net weight 0.098 kg
Environment
Protective treatment TH
Ambient air temperature for storage -40-70 °C
IP degree of protection IP69K, IP69, IP67, IP66 conforming to IEC 60529
Ambient air temperature for operation -40-70 °C
IK degree of protection IK03 conforming to IEC 50102
Electrical shock protection class class I conforming to IEC 61140
NEMA degree of protection NEMA 12, NEMA 4, NEMA 4X, NEMA 13
Vibration resistance 5 gn (f= 2-500 Hz) conforming to IEC 60068-2-6
Shock resistance 50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27, 30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27
Standards JIS C8201-1, IEC 60947-1, IEC 60947-5-4, JIS C8201-5-1, CSA C22.2 No 14, ISO 13850, IEC 60947-5-1, GB 14048.5, IEC 60947-5-5, IEC 60364-5-53, UL 508, IEC 60204-1
Product certifications CSA, DNV, LROS (Lloyds register of shipping), GL, BV, UL listed
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 4.400 cm
Package 1 Width 5.300 cm
Package 1 Length 9.300 cm
Package 1 Weight 98.000 g

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