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XESD2251
spring return contact block - 3 NO + 1 NO - front mounting, 40 mm centres
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End of Commercialization
JAN 29, 2021
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Main
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Range of product
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Harmony XAC
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Product or component type
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Contact block
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Component name
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XEND
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Electrical circuit type
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Power circuit
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Contact block application
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Single speed
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Contact block type
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Double
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Type of operator
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2 spring return
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Product compatibility
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XACB
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Mechanical interlocking
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With mechanical interlocking
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Contacts type and composition
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3 NO + 1 NO
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Mounting of block
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Front mounting
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Contact operation
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Snap action
Staggered
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Complementary
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Connections - terminals
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Screw clamp terminals, 1 x 2.5 mm² with or without cable end
Screw clamp terminals, 2 x 1.5 mm² with or without cable end
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Horizontal fixing centres
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40 mm
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Mechanical durability
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1000000 cycles
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[Ithe] conventional enclosed thermal current
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20 A
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[Ui] rated insulation voltage
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300 V conforming to CSA
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[Uimp] rated impulse withstand voltage
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6 kV conforming to IEC 60947-1
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Operating force
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32 N
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Short-circuit protection
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12 A fuse protection by cartridge fuse type aM
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Rated operational power in W
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31 W DC-13 for 1000000 cycles, operating rate <60 cyc/mn at 48 V, load factor = 0.5 (inductive load) conforming to IEC 60947-5-1 appendix C
35 W DC-13 for 1000000 cycles, operating rate <60 cyc/mn at 120 V, load factor = 0.5 (inductive load) conforming to IEC 60947-5-1 appendix C
48 W DC-13 for 1000000 cycles, operating rate <60 cyc/mn at 24 V, load factor = 0.5 (inductive load) conforming to IEC 60947-5-1 appendix C
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Rated operational power in VA
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140 VA AC-15 for 1000000 cycles, operating rate <60 cyc/mn at 24 V 50/60 Hz, load factor = 0.5 (inductive load)
210 VA AC-15 for 1000000 cycles, operating rate <60 cyc/mn at 48 V 50/60 Hz, load factor = 0.5 (inductive load)
640 VA AC-15 for 1000000 cycles, operating rate <60 cyc/mn at 127 V 50/60 Hz, load factor = 0.5 (inductive load)
680 VA AC-15 for 1000000 cycles, operating rate <60 cyc/mn at 230 V 50/60 Hz, load factor = 0.5 (inductive load)
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Electrical durability
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1000000 cycles AC-3, 3000 W at 400 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A
1000000 cycles AC-4, 3000 W at 400 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A
700000 cycles AC-3, 3000 W at 240 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A
700000 cycles AC-4, 3000 W at 240 V, operating rate <10 cyc/mn, load factor = 0.4 conforming to IEC 60947-3 appendix A
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Terminal identifier
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(11-12)NC
(13-14)NO
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Net weight
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0.21 kg
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Environment
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Standards
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IEC 60947-3
CSA C22.2 No 14
EN 60947-3
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Ambient air temperature for operation
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-25…70 °C
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Ambient air temperature for storage
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-40…70 °C
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Vibration resistance
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15 gn (f= 10…500 Hz) conforming to IEC 60068-2-6
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Shock resistance
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100 gn conforming to IEC 60068-2-27
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Electrical shock protection class
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Class II conforming to IEC 61140
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Contractual warranty
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