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This Harmony ZB, single contact block uses PCB terminals. It is compatible with Harmony XB4 and XB5 control and signaling units. This contact block allows fast and easy replacement and configuration of your push buttons and selector switches. It is easily installed and replaced on XB4 and XB5 complete push-button units and selector switches and connects to control circuits with simple PCB connections. It protects operators from unexpected contact with live circuits thanks to its IP20 protection index. 1 million cycle high endurance under 6A load allows less maintenance and damage in your installation. It has clear color scheme for NO and NC contact block types. Its wide range of operating temperatures from -40°C to 70°C allows versatility in usage of product.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device short name | ZBE |
| Contact operation | slow-break |
| Sale per indivisible quantity | 10 |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Contact block type | single |
| Range of product | Harmony XB5, Harmony XB4 |
| Connections - terminals | pins for printed circuit board |
| Product or component type | contact block |
| Contacts usage | standard contacts |
| Complementary | |
| Compatibility code | ZBE |
| Mechanical durability | 5000000 cycles |
| [Ie] rated operational current | 0.22 A at 125 V, DC-13, R300 conforming to IEC 60947-5-1, 0.1 A at 250 V, DC-13, R300 conforming to IEC 60947-5-1, 1.5 A at 240 V, AC-15, B300 conforming to IEC 60947-5-1, 3 A at 120 V, AC-15, B300 conforming to IEC 60947-5-1 |
| Contacts material | silver alloy (Ag/Ni) |
| Operating travel | 4.3 mm (total travel), 1.5 mm (NC changing electrical state) |
| Operating force | 2 N NC changing electrical state |
| Contacts type and composition | 1 NC |
| [Ui] rated insulation voltage | 250 V (pollution degree 3) conforming to IEC 60947-1 |
| [Uimp] rated impulse withstand voltage | 4 kV conforming to IEC 60947-1 |
| Net weight | 0.011 kg |
| [Ith] conventional free air thermal current | 6 A conforming to IEC 60947-5-1 |
| Positive opening | with conforming to IEC 60947-5-1 appendix K |
| Short-circuit protection | 4 A cartridge fuse type gG conforming to IEC 60947-5-1 |
| Environment | |
| Protective treatment | TH |
| Ambient air temperature for storage | -40-70 °C |
| Ambient air temperature for operation | -25-70 °C |
| Vibration resistance | 5 gn (f= 2-500 Hz) conforming to IEC 60068-2-6 |
| Shock resistance | 50 gn (duration = 11 ms) for half sine wave acceleration conforming to IEC 60068-2-27, 30 gn (duration = 18 ms) for half sine wave acceleration conforming to IEC 60068-2-27 |
| Standards | JIS C8201-1, IEC 60947-1, CSA C22.2 No 14, IEC 60947-5-1, UL 508, JIS C8201-5-1, IEC 60947-5-4 |
| Product certifications | BV, LROS (Lloyds register of shipping), DNV, GL, UL, CSA |
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