UCAN Contactor Selection Guide

   
Contactor
UCA1N
UCA7N
UCA20N
Rated Thermal Current Ith
(8 Hour Duty @ 70oC
(A)
24
73
210
DOL Motor Starting
(@ 440V 60Hz)
(kW)
11
37
112
Making Capacity
@ 0.35 pF
(A)
300
840
2000

Breaking Capacity
@ 0.35 pF

(A)
250
700
1600
Coil (Inrush)
(VA)
260
415
970
Coil (Sealed)
(VA)
45
66
110
Mechanical Life AC3
(Million Operations)
0.5
0.5
0.5
Aux. Contacts Rated Thermal Current
@ 440V
6
6
6
Operating Time mS
Energised
17
14
26
Operating Time mS
De-energised
6.5
11.3
10

Shock Rating (g) (Note 1)
(All Directions)

12
12
12
Min Operating Voltage
-Pull In (% Coil Volts)
83
83
83

Min Operating Voltage
-Drop Off (% Coil Volts)

>10 & <65
>10 & <65
>10 & <65

Note 1 : Shock Tested on solid mounts. The contactor is rated to 30g when suitable shock mounts
are used. The auxiliary contacts are zero rated for shock.

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