Current transformer CK20 - 100/5 A, 1.5 VA, Class 1

Manufacturer.

Product description

The current transformers of the CK20 series are designed for accurate AC measurements with ammeters, power meters, measuring modules, and multimeters. The design with non-flammable ABS housing, lockable connection cap, and high-quality brass terminals ensures high safety and reliability.

The transformer is designed for a 100 A primary current and delivers 5 A secondary current at 1.5 VA load. The mounting adapter makes it suitable for DIN rail mounting.

Technical data

Electrical data

• Transformation ratio (coefficient): 100/5 A

• Load: 1.5 VA

• Accuracy class: 1

• Rated frequency: 50-60 Hz

• Impulse current limit: FS 5

• Test voltage: 3 kV / 1 min

Mechanical design

• Housing: self-extinguishing ABS (non-flammable)

• Terminal block:

  • Non-removable, lockable cover

  • Brass terminals

  • Suitable for conductors with large cross-section

• Cable entry: Ø 20 mm

• Mounting: on DIN rail (holder type KK0003)

Resistance

• Thermal resistance to short-circuit current: Ith = 60 × In

• Continuous current resistance: Id = 1.2 × In

• Operating temperature: -25 °C to +85 °C

Standards

Complies with international standards:

• IEC 60044-1

• IEC 61869-2

• VDE 0414-1

• DIN 57414

• BS 3938

• BS 7626

• EN 61869-2

Product advantages

• High accuracy for measurement purposes (Class 1)

• Secure brass terminals with cover

• Durable, flame-retardant ABS housing

• Mounting on DIN rail - ideal for control cabinets

• Compact size and easy installation

• Wide operating temperature range