| Manufacturer part number (MPN) | ZB4BS944 |
| EAN / GTIN | 3389110888881 |
| Sales unit | pcs |
| Package quantity | 100 pcs |
| Diameter | 40 mm |
| Range of product | Harmony XB4 |
| Product or component type | Head for emergency switching off push-button |
| Device short name | ZB4 |
| Bezel material | Chromium plated metal |
| 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 | Key release |
| Operator profile | Red mushroom Ø 40 mm, unmarked |
| Type of keylock | Key 455 |
| Key withdrawal position | Center |
| Head type | Standard |
| Cap/operator or lens colour | Red |
| CAD overall width | 40 mm |
| CAD overall height | 40 mm |
| CAD overall depth | 79 mm |
| Product weight | 0.098 kg |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Mechanical durability | 300000 cycles |
| 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; C10 for <4 contacts using single and double blocks in front mounting |
| Device presentation | Basic element |
| Protective treatment | TH |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -40…70 °C |
| Electrical shock protection class | Class I conforming to IEC 61140 |
| IP degree of protection | IP66 conforming to IEC 60529; IP67; IP69; IP69K |
| Enclosure Type | UL type 4X/13 |
| IK degree of protection | IK03 conforming to IEC 50102 |
| Standards | CSA C22.2 No 14; IEC 60204-1; IEC 60947-1; GB 14048.5; IEC 60947-5-1; ISO 13850; IEC 60947-5-5; JIS C8201-5-1; IEC 60947-5-4; UL 508; IEC 60364-5-53; JIS C8201-1 |
| Product certifications | DNV; UL listed; LROS (Lloyds register of shipping); BV; CSA |
| Vibration resistance | 5 gn (f= 2…500 Hz) conforming to IEC 60068-2-6 |
| Shock resistance | 30 gn (duration = 18 ms) for half its wave acceleration conforming to IEC 60068-2-27; 50 gn (duration = 11 ms) for half its wave acceleration conforming to IEC 60068-2-27 |
| Number of Units in Package 1 | 1 |
| Number of Units in Package 2 | 100 |
| Country of origin | CZ |
| Warranty (in months) | 18 |
| Hole diameter | 22.5 mm |
| Colour button | Red |
| Suitable for lighting | No |
| Unlocking method | Key-release |
| Spring-return | No |
| Diameter cap | 40 mm |
| Suitable for emergency stop | Yes |
| Type of button | High |
| Colour front ring | Chrome |
| With lighting | No |
| Degree of protection (IP) | IP66 |
| Material front ring | Metal |
| With front ring | Yes |
| Construction type lens | Round |
| Switching function latching | Yes |