ZB4BW0B52
Product ID:24282
Updated: 2026/4/4

Key Features
- 1Resist impact, dust, water, and vibration with an IP66 rating. 2、Replace quickly on compatible illuminated push buttons or switches. 3、Enable clear visual signaling via its integral 24V LED. 4、Operate reliably from -40°C to 55°C for versatile use. 5、Fit standard 22mm control and signaling units for easy integration.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range of Product | Harmony XB4 | Product or Component Type | Complete body/contact assembly and light block |
| Device short name | ZB4 | Fixing collar material | Zamak |
| Sale per indivisible quantity | 1 | Head type | Standard |
| Contacts type and composition | 1 NC | Contact operation | Slow-break |
| Connections - terminals | Screw clamp terminals, <= 2 x 1.5 mm² with cable end EN 60947-1<br />Screw clamp terminals, >= 1 x 0.22 mm² without cable end EN 60947-1 | Light source | Protected LED |
| Bulb base | Integral LED | Light block supply | Direct |
| Light source colour | Orange | [Us] rated supply voltage | 24 V AC/DC 50/60 Hz |
| CAD overall width | 1.2 in (30 mm) | CAD overall height | 1.9 in (47 mm) |
| Terminals description ISO n°1 | (11-12)NC | Net Weight | 0.141 lb(US) (0.064 kg) |
| Contacts usage | Standard | Positive opening | With EN/IEC 60947-5-1 appendix K |
| Operating travel | 0.06 in (1.5 mm) NC changing electrical state)<br />0.2 in (4.3 mm) total travel) | Operating force | 2 N NC changing electrical state |
| Mechanical durability | 5000000 cycles | Tightening torque | 7.08…10.6 lbf.in (0.8…1.2 N.m) EN 60947-1 |
| Shape of screw head | Cross Philips no 1<br />Cross pozidriv No 1<br />Slotted flat Ø 4 mm<br />Slotted flat Ø 5.5 mm | Contacts material | Silver alloy (Ag/Ni) |
| Short-circuit protection | 10 A cartridge fuse gG EN/IEC 60947-5-1 | [Ith] conventional free air thermal current | 10 A EN/IEC 60947-5-1 |
| [Ui] rated insulation voltage | 600 V 3)EN 60947-1 | [Uimp] rated impulse withstand voltage | 6 kV EN 60947-1 |
| [Ie] rated operational current | 3 A 240 V, AC-15, A600 EN/IEC 60947-5-1<br />6 A 120 V, AC-15, A600 EN/IEC 60947-5-1<br />0.1 A 600 V, DC-13, Q600 EN/IEC 60947-5-1<br />0.27 A 250 V, DC-13, Q600 EN/IEC 60947-5-1<br />0.55 A 125 V, DC-13, Q600 EN/IEC 60947-5-1<br />1.2 A 600 V, AC-15, A600 EN/IEC 60947-5-1 | Electrical durability | 1000000 cycles, AC-15, 2 A 230 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, AC-15, 3 A 120 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, AC-15, 4 A 24 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, DC-13, 0.2 A 110 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C<br />1000000 cycles, DC-13, 0.5 A 24 V 3600 cyc/h 0.5 EN/IEC 60947-5-1 appendix C |
| Electrical reliability | Λ < 10exp(-6) 5 V 1 mA in clean environment EN/IEC 60947-5-4<br />Λ < 10exp(-8) 17 V 5 mA in clean environment EN/IEC 60947-5-4 | Signalling type | Steady |
| Supply voltage limits | 19.2…30 V DC<br />21.6…26.4 V AC | current consumption | 18 mA |
| Service life | 100000 h at rated voltage and 25 °C | Surge withstand | 1 kV IEC 61000-4-5 |
| Device presentation | Basic sub-assemblies | 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 60536 | Standards | EN/IEC 60947-1<br />JIS C8201-5-1<br />EN/IEC 60947-5-4<br />UL 508<br />EN/IEC 60947-5-5<br />CSA C22.2 No 14<br />EN/IEC 60947-5-1<br />JIS C8201-1 |
| Product Certifications | BV<br />UL Listed<br />DNV<br />GL<br />LROS (Lloyds register of shipping)<br />CSA | Vibration resistance | 5 gn 2…500 Hz)IEC 60068-2-6 |
| Shock resistance | 30 gn 18 ms) half sine wave acceleration IEC 60068-2-27<br />50 gn 11 ms) half sine wave acceleration IEC 60068-2-27 | Resistance to fast transients | 2 kV IEC 61000-4-4 |
| Resistance to electromagnetic fields | 9.1 V/m (10 V/m) IEC 61000-4-3 | Resistance to electrostatic discharge | 6 kV on contact (on metal parts) IEC 61000-2-6<br />8 kV in free air (in insulating parts) IEC 61000-2-6 |
| Electromagnetic emission | Class B IEC 55011 |
Specifications may be subject to change without notice
