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This product is part of the Harmony XB4 - ATEX D range, an offer of Ø 22mm metal pushbuttons, switches and pilot lights for explosive atmosphere. This key selector switch comes with key number 455 and key withdrawal in center position. This offer is specially designed for explosive atmosphere. It is designed for used in dust zone 21-22 and gas zone 1-2. It has 3 operating positions and operates with a stay-put mechanism. It has 2 NO contact with slow-break operation. This metal key selector switch comes with chromium plated metal bezel. This offer is specially designed for applications in Oil and Gas industry as well as Food and beverage, car gas stations etc. It is an IP65 rated product and comes with INERIS 04ATEX9004U certification. It is easily installed into a standard 22mm diameter panel cut-outs and connected to control circuits with screw-clamp connections. The Harmony XB4 range offers innovative features for simple and efficient use. The Harmony XB4 - ATEX is the most comprehensive explosive Atmospheres range covering most applications.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device short name | XB4 |
| Sale per indivisible quantity | 1 |
| Fixing collar material | zamak |
| Type of operator | stay put |
| Range of product | Harmony XB4 |
| Operator profile | key switch |
| Bezel material | chromium plated metal |
| Contacts type and composition | 2 NO |
| Gas zone | zone 1 - 2 |
| Product or component type | complete selector switch |
| Mounting diameter | 22 mm |
| Dust zone | zone 21 - 22 |
| Key number | 455 |
| Complementary | |
| Device mounting | fixing hole - diameter: 22.5 mm +/- 0.2 mm conforming to IEC 60947-1 |
| Tightening torque | 0.8-1.2 N.m conforming to IEC 60947-1 |
| Compatibility code | XB4 |
| Mechanical durability | 5000000 cycles |
| Contact operation | slow-break |
| [Ie] rated operational current | 2.87 A at 24 V, DC, Q300 conforming to IEC 60947-5-1, 0.55 A at 125 V, DC, Q300 conforming to IEC 60947-5-1, 0.27 A at 250 V, DC, Q300 conforming to IEC 60947-5-1, 6 A at 120 V, AC, A600 conforming to IEC 60947-5-1, 3 A at 240 V, AC, A600 conforming to IEC 60947-5-1, 1.9 A at 380 V, AC, A600 conforming to IEC 60947-5-1 |
| Key withdrawal position | center |
| Marking | Ex tb IIIC Db, II 2 GD, Ex db eb IIC Gb |
| Height | 30 mm |
| Depth | 110 mm |
| Width | 46.2 mm |
| Operator position information | 3 positions +/- 45° |
| [Ui] rated insulation voltage | 415 V |
| Connections - terminals | screw clamp terminals, 1 x 2.5 mm² without cable end conforming to IEC 60947-1, screw clamp terminals, 2 x 1.5 mm² with cable end conforming to IEC 60947-1 |
| Net weight | 0.177 kg |
| Shape of signaling unit head | round |
| [Ith] conventional free air thermal current | 10 A conforming to IEC 60947-5-1 |
| Positive opening | without |
| Fixing center | >= 30 x 40 mm (support panel) - thickness: 1-6 mm |
| Embedding depth | 58 mm |
| Contacts usage | standard contacts |
| Environment | |
| Protective treatment | TH |
| Ambient air temperature for storage | -40-70 °C |
| IP degree of protection | IP66 conforming to IEC 60529 |
| Standards | CSA C22.2 No 213, ANSI/ISA 12.12.01, UL 60079-31, UL 60079-1, UL 60079-0, IEC 60079-31:2009, IEC 60079-7:2009, EN/IEC 60079-1:2009, IEC 60079-0:2009 |
| Ambient air temperature for operation | -20-75 °C |
| Product certifications | INERIS 04ATEX9004U |
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