Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

| Parameter | Specification |
|---|---|
| Model Number | DSMB 112 / DSMB-112 / DSMB112 |
| Product Codes | 57360001-EV / 57360001-EV/2 |
| Brand | ABB |
| Series | DSMB Series |
| Rated Voltage | 400 V AC |
| Rated Current | 12 A |
| Frequency | 50/60 Hz |
| Number of Poles | 1P/2P configurable |
| Breaking Capacity | 6 kA |
| Connection Type | Screw / Bolt Terminal |
| Protection Type | IP20 |
| Operating Temperature | -25°C to +60°C |
| Dimensions (L×W×H) | 85 × 45 × 60 mm |
| Weight | 0.48 kg |
| Material | Flame-retardant plastic and metal components |
The DSMB 112 is a compact and reliable miniature circuit breaker designed for low-power electrical protection in industrial, commercial, and residential installations. It safeguards electrical circuits against overloads and short circuits while maintaining a lightweight, space-saving form factor.
This model is engineered for high reliability with durable materials and stable performance across diverse operating conditions. The DSMB 112 series is modular, making it ideal for integration into standard distribution panels and retrofit applications, while maintaining high safety and efficiency standards.
Protection of small electrical circuits in industrial machines and equipment
Electrical safety for commercial buildings and office spaces
Overcurrent protection for lighting systems and HVAC equipment
Integration into modular electrical distribution boards
Circuit protection for residential or small-scale industrial installations
Compact and lightweight design for easy installation and retrofitting.
High reliability for low-current overcurrent and short-circuit protection.
Modular design allows for panel integration and expansion.
Flexible terminal options with screw and bolt connections.
Operates over a wide temperature range (-25°C to +60°C).
Durable flame-retardant plastics reduce fire risk.
Low maintenance requirements reduce operational interruptions.
Quick and easy installation saves labor time.
Compatible with various low-power electrical panels.
Consistent and stable performance under continuous load conditions.
| Model | Rated Voltage | Rated Current | Dimensions (mm) | Weight (kg) | Breaking Capacity |
|---|---|---|---|---|---|
| DSMB 111 | 400 V AC | 10 A | 80 × 40 × 55 | 0.45 | 6 kA |
| DSMB 113 | 400 V AC | 16 A | 90 × 45 × 60 | 0.50 | 6 kA |
| DSMB 114 | 400 V AC | 20 A | 95 × 50 × 65 | 0.55 | 6 kA |
| DSMB 115 | 400 V AC | 25 A | 100 × 55 × 70 | 0.60 | 10 kA |
| DSMB 116 | 400 V AC | 32 A | 110 × 60 × 75 | 0.65 | 10 kA |
| Model | Rated Voltage | Rated Current | Dimensions (mm) | Weight (kg) | Breaking Capacity |
|---|---|---|---|---|---|
| S203-C12 | 230/400 V AC | 12 A | 85 × 40 × 60 | 0.48 | 6 kA |
| S204-C16 | 230/400 V AC | 16 A | 90 × 45 × 65 | 0.50 | 6 kA |
| TMax T1 | 400 V AC | 20 A | 100 × 55 × 70 | 0.55 | 10 kA |
| Emax 2 E1.2 | 690 V AC | 63 A | 180 × 100 × 120 | 1.80 | 25 kA |
| OT32F4 | 400 V AC | 32 A | 110 × 60 × 75 | 0.65 | 10 kA |
Q1: What is the rated current of DSMB 112?
A1: The rated current is 12 A.
Q2: Can DSMB 112 protect against short circuits?
A2: Yes, it has a breaking capacity of 6 kA.
Q3: What types of terminals does it use?
A3: It supports screw and bolt terminal connections.
Q4: What is the operating temperature range?
A4: It operates from -25°C to +60°C.
Q5: Can it be used in residential applications?
A5: Yes, it is suitable for small circuits in residential and commercial settings.
Q6: How heavy is the DSMB 112 unit?
A6: The weight is approximately 0.48 kg.
Q7: What materials are used in construction?
A7: Flame-retardant plastic and high-strength metal components.
Q8: Is it suitable for panel integration?
A8: Yes, it is designed for modular panels and distribution boards.
Q9: Is frequent maintenance required?
A9: No, it is designed for low-maintenance operation.
Q10: Can it handle slight overcurrent conditions without tripping immediately?
A10: Yes, it is engineered to handle temporary overcurrent surges safely.