Pronto Energy 
KNS12 Manual Motor Starter with Thermo-Magnetic Protection
The KNS12 3P manual motor starter combines overload and short-circuit protection in a compact device for motor circuits up to 0.1-80A at 690V AC. It provides reliable manual control and protection for motors and equipment.
Applications & circuit protection
The KNS12 manual motor starter protects motors and machinery from overload and short circuit, with manual ON/OFF control and trip indication.
- Motor protection and manual control
- Pump and fan circuits
- Machine tool and equipment protection
- Industrial control panels
Construction & operating reliability
The KNS12 integrates thermal overload and magnetic short-circuit protection with a manual operating mechanism and trip indication.
- Thermo-magnetic overload and short-circuit protection
- Manual ON/OFF control
- Trip indication for fast fault identification
- Compact panel-mounting design
Technical Parameter
| Parameter | Value |
| Compliant with standards | IEC 60947-1, IEC 60947-2, IEC 60947-4-1 |
| Application | Three-phase motor starting, isolation and protection |
| Number of product poles | 3P |
| Rated working voltage | Up to 690 V AC |
| Rated current range | 0.1–80 A |
| Rated frequency | 50/60 Hz |
| Protection functions | Overload, phase loss and short circuit |
| Control options | Button control or switch control |
| Ambient temperature | -5°C to +40°C |
| Certification | CE |
Standards & certifications
The KNS12 is designed in accordance with IEC 60947-1, IEC 60947-2, IEC 60947-4-1 and is available with CE, CCC certifications. Certification documentation can be provided according to project and destination-market requirements.
- Standard: IEC 60947-1, IEC 60947-2, IEC 60947-4-1.
- Certifications: CE, CCC.
- Protection level: IP20 (where applicable).
OEM & B2B supply support
KORLEN supports distributors, OEM manufacturers, electrical contractors and project buyers with product selection, samples, technical documentation and commercial quotations.
If the KNS12 configuration does not match your project, send us the required specifications, quantity and destination market. Our team can help identify a suitable configuration.
- Samples available for product evaluation.
- Flexible quantities for project and B2B purchasing.
- OEM and ODM support for suitable projects.
- Technical documentation and certification support available.
Frequently Asked Questions
The KNS12 provides manual control and thermo-magnetic protection for motors and other equipment.
The KNS12 covers 0.1-80A with adjustable overload settings.
It is installed in motor control panels, either standalone or combined with a contactor.
It provides overload and short-circuit protection, with manual ON/OFF control and trip indication.