| Manufacturer part number (MPN) | ZB4BW31 |
| EAN / GTIN | 3389110889697 |
| Product range | Harmony XB4 |
| Type | push-button operator head (contact / light block ordered separately) |
| Mounting | Ø22 mm panel cut-out |
| Actuator | Flush |
| Operation | spring return (momentary) |
| Illumination | illuminated — BA9s lamp base, plain lens |
| Colour | White |
| Bezel material | chrome-plated metal |
| Marking | unmarked |
| Degree of protection | IP66 (front face) |
| Ambient temperature | -40 to +70 °C |
| Mechanical durability | 10 million operating cycles |
| Conforms to | IEC/EN 60947-5-1 |
| Sales unit | pcs |
| Package quantity | 50 pcs |
| Range of product | Harmony XB4 |
| Product or component type | Head for illuminated push-button |
| Device short name | ZB4 |
| Product compatibility | BA 9s |
| Head type | Standard |
| Mounting diameter | 22.5 mm |
| Sale per indivisible quantity | 1 |
| Shape of signaling unit head | Round |
| Type of operator | spring return |
| Operator profile | White flush, unmarked |
| Operator additional information | With plain lens |
| Cap/operator or lens colour | White |
| CAD overall width | 29 mm |
| CAD overall height | 29 mm |
| CAD overall depth | 32 mm |
| Product weight | 0.027 kg |
| Resistance to high pressure washer | 7000000 Pa at 55 °C, distance : 0.1 m |
| Electrical composition code | M7 for <6 contacts using single blocks in front mounting with BA 9s; M8 for <6 contacts using single and double blocks in front mounting with BA 9s; M9 for <2 contacts using single blocks in front mounting with BA 9s and transformer |
| Device presentation | Basic sub-assemblies |
| Protective treatment | TH |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -40…55 °C |
| Overvoltage category | Class I conforming to IEC 60536 |
| IP degree of protection | IP66 conforming to IEC 60529; IP67; IP69; IP69K |
| Enclosure Type | UL type 4X/13 |
| IK degree of protection | IK06 conforming to IEC 62262 |
| Standards | CSA C22.2 No 14; JIS C8201-5-1; UL 508; IEC 60947-1; IEC 60947-5-1; IEC 60947-5-5; IEC 60947-5-4; JIS C8201-1 |
| Product certifications | CSA; LROS (Lloyds register of shipping); BV; UL listed; DNV |
| 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 |
| Country of origin | CZ |
| Warranty (in months) | 18 |
