FD3125 EATON CUTLER HAMMER, FD3125 Datasheet - Page 7

• Manufacturer Part Number: FD3125
• Description: CIRCUIT BREAKER, THERMAL MAG, 3P, 125A
• Manufacturer: EATON CUTLER HAMMER
• Series: Cr

Specifications of FD3125

• Actuator Style: Toggle
• No. Of Poles: 3
• Current Rating: 125A
• Voltage Rating Vdc: 250V
• Voltage Rating Vac: 600V
• Mounting Type: DIN Rail
• Terminals: Screw

November 2008
Table 12-3. EG through RG Electrical Characteristics
CA08101001E
Technical Data
Maximum Rated Current I n
Depending on the Version
Rated Insulation Voltage U, According to IEC 60947-2
Main Conducting Paths
Auxiliary Circuits
Rated Impulse Withstand Voltage U imp
Main Conducting Paths
Auxiliary Circuits
Rated Operational Voltage U e
IEC
NEMA
UL and CSA Listed
Permissible Ambient Temperature
Permissible Load for Various Ambient Temperatures
Close to the Circuit Breaker, Related to the Rated
Current of the Circuit Breaker
Rated Short Circuit Breaking Capacity (dc)
Not for Circuit Breakers for Motor Protection
(Time Constant = 10 rms)
2 Conducting Paths in Series
For EG to LG up to 250 Vdc
NEMA (Time Constant = 8 rms)
2 Conducting Paths in Series
250 Vdc
Main Switch Characteristics According to IEC 60947-2
in Combination with Lockable Rotary Drives
Rated Short Circuit Breaking Capacity According
to IEC 60947-2 (at ac 50/60 Hz)
Endurance (Operating Cycles)
Maximum Switching Frequency
■ Circuit Breakers for Starter Combinations
125 amperes is the maximum UL and CSA rating for the EG.
630 amperes is not a UL or CSA listed rating. 600 amperes is the maximum UL and CSA rating for the LG.
1200 amperes is the maximum UL and CSA rating for the NG.
See footnotes for exceptions.
Thermal overload release set to the lower value.
Thermal overload release set to the upper value.
Not suitable for dc switching.
■ Circuit Breakers for Plant Protection
■ Circuit Breakers for Motor Protection
and Isolating Circuit Breakers
– At 40°C
– At 50°C
– At 55°C
– At 60°C
– At 70°C
– At 40°C
– At 50°C
– At 55°C
– At 60°C
– At 70°C
– At 40°C
– At 50°C
– At 55°C
– At 60°C
– At 70°C
For more information visit: www.eaton.com
Series G Molded Case Circuit Breakers
15 – 2500 Amperes for UL, CSA & IEC Applications
Frame Sizes EG through RG
EG
160 A
500 Vac
500 Vac
6 kV
4 kV
690 Vac
600 Y/347 Vac
Yes
-20 to +70°C
100%
—
—
—
—
—
100%
100%
42 kA Max.
42 kA Max.
Yes
Rated Short Circuit Breaking Capacity See Table 12-2 on Page 12-5
10,000
300 1/h
96%
93%
91%
86%
96%
91%
86%
100%
92%
87%
83%
73%
250 A
750 Vac
690 Vac
8 kV
4 kV
690 Vac
600 Vac
Yes
100%
100%
100%
100%
100%
100%
100%
42 kA Max.
42 kA Max.
Yes
JG
-20 to +70°C
10,000
240 1/h
96%
94%
92%
88%
90%
96%
82%
88%
100%
94%
90%
87%
80%
LG
400, 630 A
750 Vac
690 Vac
8 kV
4 kV
690 Vac
600 Vac
Yes
-20 to +70°C
100%
100%
100%
100%
100%
100%
100%
42 kA Max.
42 kA Max.
Yes
8,000
240 1/h
96%
93%
90%
84%
90%
95%
90%
84%
100%
91%
86%
82%
70%
NG
800, 1200, 1600 A
750 Vac
690 Vac
8 kV
4 kV
690 Vac
600 Vac
Yes
—
100%
—
—
—
—
—
—
100%
—
Yes
3,000
60 1/h
-5 to +60°C
91%
85%
81%
91%
85%
81%
RG
1600, 2000, 2500 A
750 Vac
690 Vac
8 kV
4 kV
690 Vac
600 Vac
Yes
—
100%
—
—
—
—
—
—
100%
—
Yes
3,000
20 1/h
-5 to +60°C
91%
85%
81%
91%
85%
81%
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