OMM6 Thermomagnetic MCCB for Standard AC Distribution Protection
OMM6 is a thermomagnetic molded case circuit breaker series for AC low-voltage distribution systems, industrial panels and feeder protection projects. It is positioned for buyers who need a practical MCCB range with stable overload and short-circuit protection, frame-current options and clear model confirmation before quotation.
Compared with electronic MCCB models, OMM6 is easier to position for regular distribution projects where thermomagnetic protection, mechanical reliability and practical project supply are the main purchasing concerns. OOHMAGE supports model selection, packaging discussion, technical document communication and export-order coordination according to confirmed order requirements.
Product Highlights
- Thermomagnetic protection: suitable for common overload and short-circuit protection needs in AC systems.
- Frame-current coverage: useful for distributors and panel builders preparing mixed MCCB orders.
- Project-friendly selection: buyers can confirm poles, rated current, breaking capacity and installation requirements before pricing.
- reliable order support: OOHMAGE helps coordinate model confirmation, order packaging and document discussion.
Recommended Applications
Choose OMM6 when the project needs a standard AC MCCB for distribution boards, feeder circuits, equipment panels or commercial and industrial electrical systems. If adjustable electronic protection is required, compare OMM6E or OMM6EY before final selection.
Technical Specifications
| Thermomagnetic Molded Case Circuit Breaker OMM6- | 125 | 160 | 250 | ||||||||||||||
| Frame curent In | 10A~125A | 16A~160A | 100A~250A | ||||||||||||||
| Number of poles | 1P,2P,3P,4P | 2P,3P,4P | 3P,4P | ||||||||||||||
| Rated insulation voltage Ui(V) | 1000V | ||||||||||||||||
| Rated impulse withstand voltage Uimp(kV): | 8kV | ||||||||||||||||
| Rated working voltage Ue(V),AC | 230V;400V;690V | ||||||||||||||||
| Short circuit breaking capacity code: | C | S | M | H | C | S | M | H | C | S | M | H | |||||
| Rated service short-circuit breaking capacity Ics(kA) | AC230V | 5 | 15 | 35 | 50 | 10 | 25 | 35 | 20 | 25 | 40 | 50 | |||||
| AC400V | 5 | 13 | 18 | 50 | 10 | 13 | 18 | 35(2P) 50(3P4P) | 10 | 15 | 35 | 50 | |||||
| AC690V | 3 | 3 | 5 | 8 | 2 | 3 | 5 | 10 | 3 | 4 | 10 | 15 | |||||
| Rated ultimate short-circuit breaking capacity Icu(kA) | AC230V | 8 | 30 | 36(2P) 50(3P4P) | 50 | 10 | 20 | 30 | 50 | 30 | 50 | 65 | 70 | ||||
| AC400V | 8 | 25 | 36 | 50 | 15 | 25 | 36 | 50 | 15 | 30 | 50 | 65 | |||||
| AC690V | 5 | 6 | 10 | 15 | 8 | 6 | 10 | 15 | 5 | 8 | 15 | 20 | |||||
| Mechanical ife (times) | 8500 | 8500 | 7000 | ||||||||||||||
| Electrical life(times) | 1500 | 1500 | 1000 | ||||||||||||||
| Outline dimension (mm)a-b-c-ca  | Number of poles | 1P | 2P | 3P | 4P | 2P | 3P | 4P | 3P | 4P | |||||||
| Width | 25 | 50 | 75 | 100 | 60 | 90 | 120 | 105 | 140 | ||||||||
| Length | 130 | 155 | 165 | ||||||||||||||
| Height(S/H) | 68 | 68/82 | 68/88 | ||||||||||||||
| Height(S/H) | 94.5 | 94/108 | 96/116 | ||||||||||||||
| thermomagneti molded ase ir uit breaker OMM6- | 400 | 630 | 800 | 1250 | 2000 | ||||||||||
| Frame urrent In | 250A~400A | 500A~630A | 500A~800A | 800A~1250A | 1000A~2000A | ||||||||||
| Number of poles | 3P，4P | ||||||||||||||
| Rated insulation voltage Ui (V) | 1000V | ||||||||||||||
| Uimp(kV): Rated impulse withstand voltage Uimp (kV): | 8kV | ||||||||||||||
| Ue(V),AC: Rated working voltage Ue (V), AC | 230V;400V; 690V | ||||||||||||||
| Short circuit breaking capacity code | S | M | H | M | H | M | H | S | M | H | M | H | |||
| Rated servi e short- circuit breaking capacity Ics (% Icu); | AC230V | 25 | 40 | 50 | 40 | 50 | 65 | 70 | 40 | 65 | 70 | – | – | ||
| AC400V | 15 | 35 | 65 | 35 | 65 | 50 | 65 | 35 | 50 | 65 | 50 | 85 | |||
| AC690V | 4 | 10 | 12 | 10 | 12 | 15 | 20 | 10 | 15 | 20 | 20 | 20 | |||
| Rated ultimate short- circuit breaking capacity Icu (kA): | AC230V | 50 | 65 | 70 | 30 | 50 | 80 | 85 | 65 | 80 | 85 | – | – | ||
| AC400V | 30 | 50 | 65 | 50 | 65 | 65 | 85 | 50 | 65 | 85 | 50 | 100 | |||
| AC690V | 8 | 20 | 25 | 10 | 20 | 25 | 35 | 20 | 25 | 35 | 20 | 25 | |||
| Mechanical life (times) | 4000 | 4000 | 2500 | 2500 | 2500 | ||||||||||
| Electrical life (times) | 1000 | 1000 | 500 | 500 | 500 | ||||||||||
| outline dimension （mm）a-b-c-ca | Number of poles | 3P | 4P | 3P | 4P | 3P | 4P | 3P | 4P | 3P | 4P | ||||
| Width | 140 | 184 | 140 | 184 | 210 | 280 | 210 | 280 | 210 | 280 | |||||
| Length | 257 | 257 | 275.5 | 275.5 | 340 | ||||||||||
| Height | 103 | 103 | 103 | 103 | 141 | ||||||||||
| Height | 152 | 152 | 152 | 152 | 244 | ||||||||||
Quotation Checklist
- Frame current and rated current
- Poles and breaking capacity
- AC voltage and application type
- Quantity per model
- Packaging and destination market
- Required certificates or technical documents
Common Questions About OMM6 MCCB
When should I choose OMM6 instead of an electronic MCCB?
Choose OMM6 when the project needs standard thermomagnetic MCCB protection and does not require electronic trip-setting functions.
Can OMM6 be used for panel-building orders?
Yes. It can be discussed for distribution panels and feeder protection when the frame current, poles and breaking capacity are confirmed.
OMM6 Thermomagnetic MCCB Selection and Applications
OMM6 Thermomagnetic MCCB is designed for commercial and industrial AC distribution systems. Correct selection should be based on rated current, breaking capacity, pole configuration and installation conditions. OOHMAGE supplies project quantities with model confirmation, technical documentation support and one-year warranty terms.
- Application fit: Confirm the electrical system and installation environment before final model selection.
- Documentation: CE and ISO-related documentation is available for the promoted product range, subject to exact model confirmation.
- Quality control: Products are checked according to the applicable inspection process before shipment.
Common Questions
Which project details are needed?
Share the system voltage, rated current, required breaking capacity, poles, quantity and application.
Can the setting be matched to a project?
Available configurations should be confirmed against the protection study and actual load conditions.
Compare the complete OOHMAGE MCCB range, or send your ratings, quantity and application to info@oohmage.com for model confirmation and a quotation.
OMM6 Molded Case Circuit Breaker for Low-Voltage Distribution
OMM6 thermomagnetic MCCB is suitable for low-voltage distribution projects where stable overcurrent protection and practical model selection are required. For quotation, provide the rated current, pole number, breaking capacity and quantity so OOHMAGE can confirm the suitable molded case circuit breaker configuration.
What project details speed up MCCB selection?
Send the system voltage, load current, pole configuration, required breaking capacity, application and order quantity. These details help OOHMAGE support MCCB supplier requests without changing the published product parameters.
Request Quote
Tell us your specifications, quantity, or application scenario and we will reply with a tailored quote.
