Eaton Industrial Switchgear - xStart switching, protections and actuating motors

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Overload relays
Overload relays, CT-operated overload relays
2010 CA08103002Z-EN
6/39
Overload relays,CT-operatedoverload relaysOverload relays
ZB150-50/KK
① OFF
② Reset/ON
Z5 overload relays greater than 150A
Z5-.../FF250
① OFF
② Reset/ON
Current transformer-operated overload relays
ZW7-…
① Reset/ON
121
74
7
5
16.5
63
129
134
100
118
99
95
o 7
a
b
121
110
96
128
74 144 169
48
25 5
16.5
144
111
94
7
7
11
a b
a
b
200
185
65 65
71
27
7.5
26
55 2185 71 44 33
8
4.3
185
M4
44
26
55
a
a
1.5
159
172 – 250
90° 90° 90°
Z5, ZW7