3-8.2 Internal Electrical Accessories - Eaton MDN-408 Instructions For Installation, Operation And Maintenance

Figure 3-53 Auxiliary Switch (2A/2B)
Table 3.6 Auxiliary Switch,
Overcurrent Trip Switch and
Cell Switch Contact Ratings
Control Contact Rating
Voltages Inductive Load
(amperes)
250 Vac 10
125 Vdc 0.5
250 Vdc 0.25
Table 3.5 Undervoltage Release
Operational
Control Voltage Range
Voltages 85-110%
24 Vdc 20-26 Vdc
①
32 Vdc
27-35 Vdc
①
48 Vdc 41-53 Vdc
①
110-125 Vdc 94-138 Vdc
①
220-250 Vdc 187-275 Vdc
①
110-127 Vac
94-140 Vac
➁
208-240 Vac 177-264 Vac
➁
380-415 Vac 323-457 Vac
➁
480 Vac 408-528 Vac
➁
600 Vac
510-660 Vac
➁
①
Required for 200 ms
➁
Required for 400 ms
I.B. 2C12060H08
Dropout
① ➁
Volts Inrush/Continuous
30-60% Power Consumption
7-14 Vdc 250 W/18 W
10-19 Vdc 275 W/15 W
14-29 Vdc 275 W/18 W
33-75 Vdc 450 W/10 W
66-150 Vdc 450 W/10 W
450 VA/10 VA
33-76 Vac
62-144 Vac 400 VA/10 VA
114-249 Vac 480 VA/10 VA
144-288 Vac 400 VA/10 VA
180-360 Vac 400 VA/10 VA
For more information visit: www.EatonElectrical.com
Effective: May 2006
Mechanical
Trip Indicator
Figure 3-54 Mechanical Trip Indicator with Associated
Overcurrent Trip Switch

3-8.2 INTERNAL ELECTRICAL ACCESSORIES

Other electrical accessories are mounted inside the cir-
cuit breaker. They can be factory or site installed.
There are two different internally mounted accessories:
• Overcurrent Trip Switch (Bell Alarm)
• Motor Operator
Overcurrent Trip Switch (Bell Alarm) - An overcurrent
trip switch (bell alarm) is an optional device (Figure 3-54).
It provides an electrical indication when a circuit
Opening
Time
(ms)
70
70
70
70
70
70
70
70
70
70
Instruction Book
Page 48