1. Application
Series OM1 moulded case circuit breaker
MCCB is one of products developed and manufactured by adopting international advanced technology. It is supplied with rated insulating voltage 550V and 800V and used for circuit of AC 50/60Hz, rated operating voltage AC 400V (or below), rated operating current up to 1250A for infrequent changing over and starting of the motors.
The MCCB circuit breaker conform of the IEC60947-2 standard.
Ampere: 63A, 100A, 125A, 225A, 400A, 630A, 1250A
Pole: 3P, 4P
2. Picture of moulded case circuit breaker
3. printed by a laser machine
4. Inside of the OM1 Moulded Case Circuit Breaker
5. Main Technical Specification
Table A
Type | Rated current (A) |
Polenum-ber | Ratedinsui-atingvolt-age(V) | Rated operat-ingvolt-age(V) |
Arcing- over distance (mm) |
Ultimate short circuit breaking capacity (KA) |
Servies short circuit breaking capacity (KA) |
Operation perform- ance |
Utiliza-tioncat-egory | |
Load | Unload | |||||||||
OM1-63L | (6),10 16,20 25 ,32 40,50 63 |
3, 4 | 500V | 400V | 0 | 25 | 18 | 1500 | 8500 | A |
OM1-63M | 0 | 50 | 35 | |||||||
OM1-100L | (10),16 20,25 32,40 50,63 80,100 |
800V | 0(≤50) | 35 | 22 | |||||
OM1-100M | 0(≤50) | 50 | 35 | |||||||
OM1-100H | 0(≤50) | 85 | 50 | 1000 | 7000 | |||||
OM1-225L | 100,125 160,180 200,225 |
≤50 | 35 | 22 | ||||||
OM1-225M | ≤50 | 50 | 35 | |||||||
OM1-225H | ≤50 | 85 | 50 | 1000 | 4000 | |||||
OM1-400L | 225,250 315,350 400 |
≤50 | 50 | 35 | ||||||
OM1-400M | ≤100 | 65 | 42 | |||||||
OM1-630L | 400,500 630 |
≤100 | 50 | 35 | ||||||
OM1-630M | ≤100 | 65 | 42 | |||||||
OM1-630H | ≤100 | 100 | 65 | |||||||
OM1-800M | 630,700 800 |
3 | ≤100 | 75 | 50 | |||||
OM1-800H | ≤100 | 100 | 65 | |||||||
OM1-1250M | 1000,1250 | ≤100 | 100 | 65 | ||||||
OM1-1250H | ≤100 | 125 | 75 | |||||||
OM1-1600M | 1600 | ≤100 | 150 | 80 |
Note: 6A without thermal protection
The N-pole of four-poles breaker is sited at the right side of the product has four types:
Type A: Without current trip-lease on N pole which making all the time, not closing and opening with the other three poles.
Type B: Without current trip-release on N pole which closing and opening with the other poles.
Type C: With current trip-release which closing and opening with the other three poles.
Type D: With current trip-release which making all the time not closing and opening with the other three poles.
6. Protection Characteristic
The thermodynamic release of a circuit breaker provides the feature of inverse time-delay, while the magnetic release is the instantaneous operation as shown on table 2(distribution circuit breaker) and table 3 (motor protection circuit breaker).
Table B
Rated current of release (A) | Thermodynamic release( ambient temperature ) land +40°C marine +45°C | Operating current of magnetic release (A) | |
1.05In(cold state) Inoperative time(h) | 1.30In(heat state) Operative time(h) | ||
10≤In≤63 | ≥ 1 | < 1 | 10In±20% |
63<In≤100 | ≥ 2 | < 2 | |
100≤In≤800 | ≥ 2 | < 2 | 5In±20% 10In±20% |
Table C
Rated current | Thermodynamic release ( ambient temperature ) land +40°C marine +45°C | Operating current of magnetic release (A) | |||
of release (A) | 1.0In(cold state) non-trip time(h) | 1.20In(heat state) trip time (h) | 1.50In(heat state) trip time (h) | 7.2In(cold state) trip time(h) | |
10 ≤ In ≤ 225 | ≥ 2 | <2 | ≤ 4min | 4s < Tp ≤ 10s | 12In±20% |
225 ≤ In ≤ 630 | ≤ 8min | 6s < Tp ≤ 20s |
7. Outline and Installation Dimension
Type | Outline Dimensions(mm) | ||||||||||||||||
Front panel connection | |||||||||||||||||
W | W1 | L | L1 | L2 | H | H1 | H2 | H3 | H4 | C | D | E | F | G | W2 | W3 | |
OM1-63L | 76 | 50 | 135 | 170 | 117 | 74 | 92 | 7 | 4 | 85 | 28.5 | 48 | 22 | 14 | 100 | 75 | |
OM1-63M | 76 | 50 | 135 | 170 | 117 | 82 | 98.5 | 28 | 7 | 4 | 85 | 28.5 | 48 | 22 | 14 | 100 | 75 |
OM1-100L | 92 | 60 | 150 | 185 | 132 | 68 | 86 | 24 | 7 | 4 | 88 | 35.5 | 50 | 22 | 17.5 | ||
OM1-100M | 92 | 60 | 150 | 185 | 132 | 86 | 104 | 24 | 7 | 4 | 88 | 35.5 | 50 | 22 | 17.5 | 122 | 90 |
OM1-100H | 92 | 60 | 150 | 185 | 132 | 86 | 104 | 24 | 7 | 4 | 88 | 35.5 | 50 | 22 | 17.5 | ||
OM1-225L | 107 | 70 | 165 | 215 | 144 | 86 | 110 | 24 | 5 | 4 | 102 | 31.5 | 50 | 22 | 17 | ||
OM1-225M | 107 | 70 | 165 | 215 | 144 | 103 | 127 | 24 | 5 | 4 | 102 | 31.5 | 50 | 22 | 17 | 142 | 105 |
OM1-225H | 107 | 70 | 165 | 215 | 144 | 103 | 127 | 24 | 5 | 4 | 102 | 31.5 | 50 | 22 | 17 | ||
OM1-400L | 150 | 96 | 257 | 357 | 224 | 105 | 155 | 38 | 8 | 6 | 128 | 64.5 | 89 | 65 | φ6 | 198 | 144 |
OM1-400M | 182 | 116 | 270 | 370 | 234 | 110 | 160 | 43 | 8 | 6 | 134 | 70 | 89 | 65 | φ9 | ||
OM1-630L | 182 | 116 | 270 | 370 | 234 | 110 | 160 | 43 | 8 | 6 | 134 | 70 | 89 | 65 | φ9 | 240 | 174 |
OM1-630M | 182 | 116 | 270 | 370 | 234 | 110 | 160 | 43 | 8 | 6 | 134 | 70 | 89 | 65 | φ9 | ||
OM1-630H | 210 | 140 | 280 | 380 | 243 | 106 | 145 | 33 | 30 | 128 | |||||||
OM1-800M | 210 | 140 | 280 | 380 | 243 | 106 | 145 | 33 | 30 | 128 | |||||||
OM1-800H | 210 | 140 | 280 | 380 | 243 | 106 | 145 | 33 | 30 | 128 | |||||||
OM1-1250M | 210 | 140 | 393 | 200 | |||||||||||||
OM1-1250H | 210 | 140 | 393 | 200 | |||||||||||||
OM1-1600M | 210 | 140 | 393 | 200 |
Type | Outline Dimensions(mm) | Installation Dimensions |
||||||||||||||||
Back panel connection | Plug-in connection | |||||||||||||||||
L4 | H5 | H6 | φD | φD1 | L5 | L6 | H7 | H8 | H9 | H10 | J | K | φd1 | M | A | B | φd | |
OM1-63L | 117 | 44 | 66 | 8 | 8 | 25 | 117 | 3.5 | ||||||||||
OM1-63M | 117 | 44 | 66 | 8 | 8 | 25 | 117 | 3.5 | ||||||||||
OM1-100L | 129 | 68 | 108 | 26 | 16 | 92 | 168 | 50 | 62 | 74 | 17.5 | 56 | 60 | 6.5 | M8 | 30 | 129 | 4.5 |
OM1-100M | 129 | 68 | 108 | 26 | 16 | 92 | 168 | 50 | 62 | 74 | 17.5 | 56 | 60 | 6.5 | M8 | 30 | 129 | 4.5 |
OM1-100H | 129 | 68 | 108 | 26 | 16 | 92 | 168 | 50 | 62 | 74 | 17.5 | 56 | 60 | 6.5 | M8 | 30 | 129 | 4.5 |
OM1-225L | 126 | 66 | 110 | 20 | 20 | 94 | 183 | 50 | 69.5 | 84.5 | 17.5 | 54 | 70 | 6.5 | M8 | 35 | 126 | 5 |
OM1-225M | 126 | 66 | 110 | 20 | 20 | 94 | 183 | 50 | 69.5 | 84.5 | 17.5 | 54 | 70 | 6.5 | M8 | 35 | 126 | 5 |
OM1-225H | 126 | 66 | 110 | 20 | 20 | 94 | 183 | 50 | 69.5 | 84.5 | 17.5 | 54 | 70 | 6.5 | M8 | 35 | 126 | 5 |
OM1-400L | 194 | 60 | 120 | 33 | 33 | 169 | 279 | 60 | 83.5 | 106.5 | 21 | 129 | 60 | 8.5 | M10 | 44 | 194 | 7 |
OM1-400M | 200 | 65 | 125 | 36 | 36 | 169 | 299 | 60 | 92 | 110 | 21 | 123 | 100 | 8.5 | M12 | 58 | 200 | 7 |
OM1-630L | 200 | 65 | 125 | 36 | 36 | 169 | 299 | 60 | 92 | 110 | 21 | 123 | 100 | 8.5 | M12 | 58 | 200 | 7 |
OM1-630M | 200 | 65 | 125 | 36 | 36 | 169 | 299 | 60 | 92 | 110 | 21 | 123 | 100 | 8.5 | M12 | 58 | 200 | 7 |
OM1-630H | 128 | 70 | 243 | 7.2 | ||||||||||||||
OM1-800M | 128 | 70 | 243 | 7.2 | ||||||||||||||
OM1-800H | 128 | 70 | 243 | 7.2 | ||||||||||||||
OM1-1250M | ||||||||||||||||||
OM1-1250H | ||||||||||||||||||
OM1-1600M |
le> OM1-1250H 210 140 393 200 OM1-1600M 210 140 393 200
Type | Outline Dimensions(mm) | Installation Dimensions |
||||||||||||||||
Back panel connection | Plug-in connection | |||||||||||||||||
L4 | H5 | H6 | φD | φD1 | L5 | L6 | H7 | H8 | H9 | H10 | J | K | φd1 | M | A | B | φd | |
OM1-63L | 117 | 44 | 66 | 8 | 8 | 25 | 117 | 3.5 | ||||||||||
OM1-63M | 117 | 44 | 66 | 8 | 8 | 25 | 117 | 3.5 | ||||||||||
OM1-100L | 129 | 68 | 108 | 26 | 16 | 92 | 168 | 50 | 62 | 74 | 17.5 | 56 | 60 | 6.5 | M8 | 30 | 129 | 4.5 |
OM1-100M | 129 | 68 | 108 | 26 | 16 | 92 | 168 | 50 | 62 | 74 | 17.5 | 56 | 60 | 6.5 | M8 | 30 | 129 | 4.5 |
OM1-100H | 129 | 68 | 108 | 26 | 16 | 92 | 168 | 50 | 62 | 74 | 17.5 | 56 | 60 | 6.5 | M8 | 30 | 129 | 4.5 |
OM1-225L | 126 | 66 | 110 | 20 | 20 | 94 | 183 | 50 | 69.5 | 84.5 | 17.5 | 54 | 70 | 6.5 | M8 | 35 | 126 | 5 |
OM1-225M | 126 | 66 | 110 | 20 | 20 | 94 | 183 | 50 | 69.5 | 84.5 | 17.5 | 54 | 70 | 6.5 | M8 | 35 | 126 | 5 |
OM1-225H | 126 | 66 | 110 | 20 | 20 | 94 | 183 | 50 | 69.5 | 84.5 | 17.5 | 54 | 70 | 6.5 | M8 | 35 | 126 | 5 |
OM1-400L | 194 | 60 | 120 | 33 | 33 | 169 | 279 | 60 | 83.5 | 106.5 | 21 | 129 | 60 | 8.5 | M10 | 44 | 194 | 7 |
OM1-400M | 200 | 65 | 125 | 36 | 36 | 169 | 299 | 60 | 92 | 110 | 21 | 123 | 100 | 8.5 | M12 | 58 | 200 | 7 |
OM1-630L | 200 | 65 | 125 | 36 | 36 | 169 | 299 | 60 | 92 | 110 | 21 | 123 | 100 | 8.5 | M12 | 58 | 200 | 7 |
OM1-630M | 200 | 65 | 125 | 36 | 36 | 169 | 299 | 60 | 92 | 110 | 21 | 123 | 100 | 8.5 | M12 | 58 | 200 | 7 |
OM1-630H | 128 | 70 | 243 | 7.2 | ||||||||||||||
OM1-800M | 128 | 70 | 243 | 7.2 | ||||||||||||||
OM1-800H | 128 | 70 | 243 | 7.2 | ||||||||||||||
OM1-1250M | ||||||||||||||||||
OM1-1250H | ||||||||||||||||||
OM1-1600M |