EMAS MKS1TM-0.40 EMAS MOTOR PROTECT CIRCUIT BREAKER (0.25 -0.40 A)

Why Choose the EMAS MKS1TM-0.40 Motor Protection Switch?

The EMAS MKS1TM-0.40 is a compact and reliable thermal magnetic motor protection switch designed to protect electric motors against overload, short circuit and phase deficiency conditions. As part of the EMAS MKS Series, it is suitable for industrial control panels, motor starter assemblies and machinery installations requiring dependable motor protection.

This motor protection switch combines adjustable thermal overload protection with fixed magnetic short circuit protection. It helps protect motors from abnormal current conditions while providing a practical switching and protection solution for automation systems, production equipment and electrical control panels.

With a 0.25 A to 0.40 A thermic current calibration interval, 25 A current rating and IP40 protection degree, the EMAS MKS1TM-0.40 is ideal for low-current motor protection applications. Its DIN rail mounting design supports quick installation in industrial cabinets and control enclosures.

Key Advantages

• Reliable thermal magnetic motor protection switch for low-current motor circuits.
• 0.25 A to 0.40 A adjustable thermic calibration range for precise motor protection.
• Fixed short circuit protection set at 12 × Ie.
• Provides protection against overload, short circuit and phase deficiency.
• Ambient temperature compensation for consistent operation.
• Can be mounted on a DIN 35 mm mounting rail.
• Wide range of compatible accessories for control panel integration.

Key Features

• EMAS MKS Series motor protection switch.
• Product code MKS1TM-0.40.
• Thermic current calibration interval of 0.25 A to 0.40 A.
• 25 A current rating.
• AC-3 usage category.
• Short circuit switching capacity minimum 6 kA / 400 V.
• IP40 protection degree.
• Protection against phase deficiency.
• Compensated against ambient temperature.
• DIN rail mounting for industrial control panels.

Technical Specifications

• Manufacturer: EMAS
• Series: MKS Series
• Model: MKS1TM-0.40
• Product type: Motor protection switch
• Thermic current calibration interval: 0.25-0.40 A
• Current rating: 25 A
• Operational frequency: 50 / 60 Hz
• Usage category: AC-3
• Short circuit protection: Fixed, 12 × Ie
• Short circuit switching capacity: minimum 6 kA / 400 V
• Mechanical life: 100,000 operations minimum
• Electrical life: 100,000 operations minimum
• Operating frequency: 360 mechanical / 360 electrical operations per hour
• Insulation voltage: 690 V AC
• Impulse withstand voltage: 6 kV
• Dielectric strength: 1890 V
• Isolation resistance: 10 MΩ minimum at 500 V DC
• Operating temperature: -5°C to +40°C
• Pollution degree: 3
• Protection degree: IP40
• Cable section: 0.75-4 mm²
• Screw torque: 1.8 Nm
• Mounting type: DIN 35 mm rail mounting
• Standard: TS EN 60947-4-1

Reliable Thermal Magnetic Motor Protection

Motor protection switches such as the EMAS MKS1TM-0.40 are designed to protect motor circuits by combining switching, overload protection and short circuit protection in one compact device. The adjustable thermal setting allows the protection level to be matched to the motor current, while the fixed magnetic trip helps respond rapidly to short circuit faults.

The MKS1TM-0.40 is especially suitable for low-current motor loads and compact control applications where accurate protection is required. Its phase deficiency protection, ambient temperature compensation and DIN rail mounting make it a practical solution for industrial automation panels and machine control systems.

Typical Applications

• Low-current motor protection circuits.
• Industrial control panels and electrical cabinets.
• Automation systems and machine control equipment.
• Motor starter assemblies.
• Pumps, fans, conveyors and small motor-driven machinery.
• Production equipment and OEM control systems.

Trusted for Industrial Motor Protection

EMAS MKS Series motor protection switches are used in industrial control systems to provide reliable overload, short circuit and phase deficiency protection for motor-driven machinery and automation equipment.