Normal working and installation conditions

◆ In a medium without explosion risk, and in a place where the medium is not sufficient to corrode metals and damage insulation with gases and conductive dust ◆ The altitude of the installation site shall not exceed 2000m
The installation method, position, and angle of the circuit breaker can be arbitrary. ◆ In areas without rain or snow invasion
◆ The temperature of the surrounding medium should not exceed 40 ℃ and not be lower than -25 ℃ ◆ Pollution level 3
◆ Intelligent circuit breakers are suitable for the following working environments: ◆ Installation category III

Main parameter technology

Model: FSMIE-125M/250M/400M/630M/800M
FSMIE-125H/250H/400H/630H/800H
Maximum short-circuit breaking capacity kA Operating short-circuit breaking capacity kA: 400V-50/75/100
690V-20/30
400V-35/50/65
690V-10/15/20
Shell current A: 125~800
Rated current A: 10~800
Operation frequency and frequency: on load -1000/1500
No load -4000/7000/8500
Times/h-60/120
Rated insulation voltage Ui (V): 800
Rated working voltage Ue (V): 400/600/690
Flying arc distance mm: ≤ 30/≤ 50
Note: During each operating cycle, the maximum time the circuit breaker remains connected is 2 seconds. When the circuit breaker for protecting the motor is connected at Un, 6ln, the shortest time to connect is 0.1s.

The usage type is distribution type

The release method code of the distribution type FSMIE circuit breaker is 3, and it has the functions of overload long delay, short circuit short delay, and short circuit instantaneous protection. If the selected model is FSMIE-100M/3300.
Protection function: Overload long delay
Shell frame level: 125~1250
Rated current In (A): 32~1250
Current setting value (A): lr]=12.5-14-16-18-20-22-25-30-32
Lr1=25-28-32-36-40-45-50-56-60-63
Lr1=40-45-50-56-63-70-75-80-90-100 125
Lr1=100-112-125-140-150-160-180-200-225-250
Lr1=160-180-200-225-250-280-315-350-375-400
Lr1=250-280-315-350-375-400-450-500-560-630
Lr1=315-350-400-450-500-560-630-700-760-800
Lr1=315-350-400-450-500-560-630-700-760-800
Lr1=400-450-500-560-630-700-800-900-950-1000
Lr1=500-560-630-700-800-900-1000-1120-1180-1250
Action characteristics/time: Acting according to It
1.05ln, no action within 2 hours, 1.3ln, action within ≤ 1 hour
2.0lr1t1=(12-60-80-100sIFSM11E-100/250) 1=(12-60-100-150js (FSM1E-400/630/800/1250)
Action tolerance: ± 20%

Protection function: Short circuit short delay
Shell frame level: 125~1250
Rated current In (A): 32~1250
Current setting value (A): lr]={2-2.5-3-4-5-6-7-8-10-12) x lr1
Lr2={2-2.5-3.5-4-5-6-7-8-10) x lr1
Action characteristics/time: When lr2 ≤ l<1.5lr2, inverse time action; 1.5r2, t2=(0.06-0.1-0.2-0.3) s inverse time limit: ± 20%
When 1.5lr2 ≤ l<lr3, timed action: t2=0.06s+ 0.02s
T2=0.1s, ± 0.03s
T2=0.2s, ± 0.04s
T2=0.3s, ± 0.06s
Action tolerance: ± 10%
Protection function: Short circuit instantaneous
Shell frame level: 125~1250
Rated current In (A): 32~1250
Current setting value (A): lr3={4-6-7-8-10-11-12-13-14-16) x Ir1
Lr3=14-6-7-8-9-10-11-12-13-14) x lr1
Lr3={4-5-6-7-8-9-10-11-12) x lr1
Lr3={4-5-6-7-8-9-10-12-14-16) x lr1
Lr3={4-5-6-7-8-9-10-12-14) x lr1
Lr3={4-5-6-7-8-9-10-12) x Ir1
Action characteristics/time: instantaneous action
Action tolerance: ± 15%

Protection function: neutral level protection, four pole C-type
Shell frame level: 125~1250
Rated current In (A): 32~800
Current setting value (A): lr1N=lr1, lr2N=lr2, lr3N=lr3
Protection function: Overload warning
Shell frame level: full series
Rated current In (A): 32~1250
Current setting value (A): Ir0=(0.7-0.75-0.8-0.85-0.9-0.95-1.0) x lr1

The usage type is motor protection type

The FSMIE circuit breaker for motor protection has a release method code of 3 and a usage code of 2, which has the functions of overload long delay, short circuit short delay, and short circuit instantaneous protection.
If the selected model is FSMIE-100M/33002.
Protection function: Overload long delay
Shell frame level: 125~800
Rated current In (A): 32~800
Current setting value (A): lr1=12.5-14-16-18-20-22-25-30-32
Lr1=25-28-32-36-40-45-50-56-60-63
Lr1=40-45-50-56-63-70-75-80-90-100 125
Lr1=100-112-125-140-150-160-180-200-225-250
Lr1=160-180-200-225-250-280-315-350-375-400
Lr1=250-280-315-350-375-400-450-500-560-630
Lr1=500-550-600-630-660-700-740-780-800
Action tolerance: ± 20%

Protection function: Short circuit short delay
Shell frame level: 125~630
Rated current In (A): 32~630
Current setting value (A): lr1=(2-2.5-3-4-5-6-7-8-10-12) x lr1
Action characteristics/time: When lr2 ≤ l<1.5lr2, inverse time action; 1.5r2, t2=(0.06-0.1-0.2-0.3) s inverse time limit: ± 20%
When 1.5lr2 ≤ l<lr3, timed action: t2=0.06s+ 0.02s
T2=0.1s, ± 0.03s
T2=0.2s, ± 0.04s
T2=0.3s, ± 0.06s
Action tolerance: ± 10%
Protection function: Short circuit instantaneous
Shell frame level: 125~630
Rated current In (A): 32~630
Current setting value (A): lr3=(4-6-7-8-10-11-12-13-14-16) x lr1
Lr3=(4-6 7-8-9-10-11-12-13-14) x lr1
Action characteristics/time: instantaneous action
Action tolerance: ± 15%
Protection function: neutral level protection, four pole C-type
Shell frame level: 125~800
Rated current In (A): 32~800
Current setting value (A): lr1N=lr1, lr2N=lr2, lr3N=lr3

Protection function: Overload warning
Shell frame level: full series
Rated current In (A): 32~1250
Current setting value (A): Ir0=(0.7-0.75-0.8-0.85-0.9-0.95-1.0) x lr1

Using category codes

Circuit nature: Main circuit
Category code: A: AC-3
Typical use: Non selective distribution protection for motor protection (starting and breaking during operation of squirrel cage asynchronous motors)
Circuit nature: auxiliary circuit
Usage category code: AC-15: DC-13
Typical use: Control AC electromagnetic loads greater than 72VA, control DC ferroelectric loads