
Schneider Electric catalog image for this SKU; may represent the product family.
HEAD FOR EMERGENCY STOP PUSH-BUTTON
red Ø40 Emergency stop, switching off head Ø22 trigger and latching turn release
SKU ZB5AS844Schneider Electric ZB5AS844 is a head for emergency stop push-button in the Harmony XB5 range. Key specifications include ip protection: IP66 conforming to IEC 60529; net weight: 0.046 kg; product range: Harmony XB5.
IP66 conforming to IEC 60529IP protection
0.046 kgNet weight
Harmony XB5Product range
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | ZB5AS844 |
|---|---|
| Range of product | Harmony XB5 |
| Product or component type | Head for emergency stop push-button |
| Product destination | Emergency stop push-button |
| Device short name | ZB5 |
| Bezel material | Dark grey plastic |
| Head type | Standard |
| Mounting diameter | 22.5 mm |
| Sale per indivisible quantity | 1 |
| Shape of signaling unit head | Round |
| Type of operator | trigger action and mechanical latching |
| Reset | Turn to release |
| Operator profile | Red mushroom Ø 40 mm, unmarked |
| Device presentation | Basic element |
| CAD overall width | 40 mm |
| CAD overall height | 40 mm |
| CAD overall depth | 57 mm |
| Net weight | 0.046 kg |
| Mechanical durability | 300000 cycles |
| Station name | XALD 1 cut-out XALK 1 cut-out |
| Electrical composition code | C7 for <4 contacts using single blocks in front mounting C8 for <4 contacts using single and double blocks in front mounting C11 for <3 contacts using single blocks in front mounting C15 for <1 contacts using single blocks in front mounting SF1 for <3 contacts using single blocks in front mounting SR1 for <3 contacts using single blocks in rear mounting C10 for <4 contacts using single and double blocks in front mounting |
| Compatibility code | ZB5 |
| Protective treatment | TH |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -40…70 °C |
| Overvoltage category | Class II conforming to IEC 60536 |
| IP degree of protection | IP66 conforming to IEC 60529 IP67 IP69 IP69K |
| Enclosure Type | UL type 4X/13 |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| IK degree of protection | IK03 conforming to IEC 50102 |
| Standards | UL 508 ISO 13850 IEC 60364-5-53 IEC 60204-1 GB 14048.5 JIS C8201-5-1 IEC 60947-5-4 CSA C22.2 No 14 IEC 60947-5-5 IEC 60947-1 IEC 60947-5-1 JIS C8201-1 |
| Product certifications | CSA DNV BV LROS (Lloyds register of shipping) UL listed |
| Vibration resistance | 5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6 |
| Shock resistance | 30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27 50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27 |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.
