Molded Case Circuit Breaker
Product Details
Product Details
1. Application
The molded case circuit breaker has the functions of long overload delay reverse time limit, short delay reverse time limit, short circuit delay fixed time limit, short circuit instantaneous and low voltage protection. The protection characteristics of the circuit breaker are complete and accurate. This can improve the reliability of the power supply and avoid unnecessary power failure. Only 1, 3, 5 power lines, 2, 4, 6 load lines are allowed.
About the feature
· Compact structure · Electrical rating: AC400V, 50Hz / 60Hz · Current rating up to 800A · Mounting mode: vertical and horizontal · Compliant standard: IEC / EN 60947-2. · High interruption, short arc (partial zero arc) and anti-vibration.
2. Choose
3. Technical data
Frame Size Current (Inm) A | 125 | 250 | 400 | 800 | |||||
Model | CQM3E-125 Series | CQM3E-250 Series | CQM3 E-400 | CQM3 E-80 0 | |||||
Polish people | 3 | 4 | 3 | 4 | 3 | 4 | 3 | 4 | |
Rated Current (A) | 32(12.5～32) 63(25～63) 100(40～100) | 250(100～250) | 400(160～400) | 800(315～800) | |||||
Insulation voltage Ui (V) | AC 800 | AC 800 | AC 800 | AC 800 A | |||||
Evaluation of impulse withstand voltage Uimp (V) | 8000 | 8000 | 8000 | 8000 | |||||
The rated operating voltage is Ue (V) and the frequency is 50Hz / 60Hz. | AC 400 | AC 400 | AC 400 | AC 400 | |||||
Arc distance (mm) | ≯50(0)2 | ≯50(0)2 | ≯100(0)2 | ≯100(0)2 | |||||
Rated Breaking Capacity Icu (kA) | L: 50 | Size: 70 | L: 50 | Size: 70 | L: 65 | Size: 100 | 100 | ||
The short-circuit breaking capacity of the rated service is ICS (KA). | L: 35 | Size: 50 | L: 35 | Size: 50 | Size: 42 | Size: 65 | 65 | ||
Rated short time resistance current Icw (kA) / 1s | - | 5/0.4 | 5/1 | 10/1 | |||||
Usage class | A | B | B | B | |||||
Electrical life (cycle) | 8000 | 8000 | 7500 | 7500 | |||||
Mechanical life | No maintenance | 20000 | 20000 | 10000 | 10000 | ||||
With maintenance | 40000 | 40000 | 20000 | 20000 | |||||
Overall Dimension (mm) | width | 92 | 122 | 107 | 142 | 150 | 198 | 210 | 280 |
Length | 150 | 165 | 257 | 280 | |||||
Height | 92 | 90 | 106.5 | 115.5 | |||||
Note: 1. According to IEC 60947-1, the term Lifetime indicates the probability of the number of operating cycles that the appliance will complete before repairing or replacing the part. The 2.Zero flying arc cover is selected with a height of 4mm (CQM3-63L / M), 6.2mm (CQM3-100L / M), 7.5mm (CQM3-250L / M), 9.3mm (CQM3-400L / M, CQM3-630L / M), and 9.5mm (CQM3-800L / M) to achieve zero flying arc.
4. Overall and mounting dimensions (mm)
Model | Polish people | Overall dimensions | Mounting dimensions | |||||
A | B | C | D | A | b | φd | ||
CQM3E-125 Series | 3 | 92 | 150 | 110 | 92 | 30 | 129 | 4.5 |
4 | 122 | 60 | ||||||
CQM3E-250 Series | 3 | 107 | 165 | 110 | 90 | 35 | 126 | 4.5 |
4 | 142 | 70 | ||||||
CQM3 E-400 | 3 | 150 | 257 | 146.5 | 106.5 | 44 | 194 | 7 |
4 | 198 | 94 | ||||||
CQM3 E-80 0 | 3 | 210 | 280 | 155 | 115.5 | 70 | 243 | 7 |
4 | 280 | 140 | ||||||
5. Certificate
