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This Harmony XAC, contact block uses screw-clamp terminals and has 2 x NO + 1 changeover contact SPDT single pole double throw. This contact block allows fast and easy replacement and configuration of your push buttons and selector switches. It is easily installed and replaced on XACM and XACB pendant control stations and connects to control circuits with simple screw-clamp connections. It protects operators from unexpected contact with live circuits thanks to its IP20 protection index. It has clear labelling of the contact wiring and terminals names on the side of the block. Vibration resistant screw clamp connection terminals ensure high vibration resistance making product suitable installation on high impact machine.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Product compatibility | XACB |
| Electrical circuit type | power circuit |
| Contact operation | staggered, snap action |
| Contact block application | 2-speed |
| Contact block type | double |
| Range of product | Harmony XAC |
| Type of operator | 2 spring return |
| Poles description | 2-pole |
| Mechanical interlocking | with mechanical interlocking |
| Contacts type and composition | 2 NO + 1 C/O |
| Component name | XESD |
| Product or component type | contact block |
| Mounting of block | front mounting |
| Complementary | |
| Operating force | 17 N |
| Rated power in HP | 5 hp at 400 V, CSA certified, 3 hp at 600 V, CSA certified, 2 hp at 240 V, CSA certified |
| Mechanical durability | 1000000 cycles, 500000 cycles |
| Electrical durability | 800000 cycles AC-4, 1500 W at 400 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A, 800000 cycles AC-3, 1500 W at 400 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A, 500000 cycles AC-4, 1500 W at 240 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A, 500000 cycles AC-3, 1500 W at 240 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A, 300000 cycles AC-4, 2200 W at 400 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A, 300000 cycles AC-4, 2200 W at 240 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A, 300000 cycles AC-3, 2200 W at 400 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A, 300000 cycles AC-3, 2200 W at 240 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A |
| Short-circuit protection | 10 A fuse protection by cartridge fuse type aM |
| Horizontal fixing centres | 40 mm |
| Rated operational power in W | 2200 W AC-4 at 400 V conforming to IEC 60947-3 appendix A, 2200 W AC-3 at 240 V conforming to IEC 60947-3 appendix A |
| [Ui] rated insulation voltage | 600 V conforming to CSA |
| Connections - terminals | screw clamp terminals, 2 x 1.5 mm² with or without cable end, screw clamp terminals, 1 x 2.5 mm² with or without cable end |
| [Uimp] rated impulse withstand voltage | 6 kV conforming to IEC 60947-1 |
| Net weight | 0.19 kg |
| [Ithe] conventional enclosed thermal current | 12 A |
| Terminals description ISO n°1 | (51-52-54)OC, (23-24)NO, B, (13-14)NO |
| Terminals description ISO n°2 | (33-34)NO, (61-62-64)OC, (43-44)NO, B |
| Terminal identifier | (11-12)NC, (13-14)NO |
| Environment | |
| Ambient air temperature for storage | -40-70 °C |
| Shock resistance | 100 gn conforming to IEC 60068-2-27 |
| Ambient air temperature for operation | -25-70 °C |
| Electrical shock protection class | class II conforming to IEC 61140 |
| Vibration resistance | 15 gn (f= 10-500 Hz) conforming to IEC 60068-2-6 |
| Standards | EN 60947-3, CSA C22.2 No 14, IEC 60947-3 |
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