One、Model specification
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The product name
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12-channel 20A load feedback type relay output module
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Product model
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AJT-RM1220A
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Two. Product functions
● magnetic holding function (self-locking)
● dry contact linkage function
● fire linkage function
● mechanical manual switch and manual local debugging button
● load feedback function
● relay over zero switching
● relay switching times statistics
● relay closing time accumulates
● module self-inspection and watchdog function
● delay start function
Three、Technical parameters：
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Working voltage
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12-24V DC
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Working current
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Starting current：60mA
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Standby current：60mA
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Maximum working current：65mA
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work environment
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Temperature: 0℃~45℃, humidity: 10%~95%
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L、N、PE
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Zero crossing detection, zero fire line input, 3 position 7.62 terminal
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Load interface
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Relay output, 12*2 7.62 terminals
Connection capacity: 4mm2
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Communication interface
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485 bus, 4 bits 5.08 plug terminal
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Linkage interface
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7 sets of dry contact input interface, 1 set of fire control input interface
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Rated current
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20A (single channel), surge resistance 500A/20ms (single channel)
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Manual switch
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Mechanical manual switch and manual local debugging button
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installation
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35mm standard guide rail mounting (14 module)
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Overall dimensions
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252mm(W)×88mm(H)×66mm(D)
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Heavy volume
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650g
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