The Megger CSU600AT is a compact and rugged high-current supply unit designed for testing protective relays, circuit breakers, and other electrical devices. It’s a popular choice for field applications due to its portability and ease of use.
Here’s a breakdown of its key features and specifications:
Key Features:
Specificatons:
Applications:
Benefits:
Resources:
Key Features:
- Compact and rugged: Designed for portability and field use.
- High current output: Provides up to 600 amps DC for testing various devices.
- Built-in timer and analog ammeter: Facilitates quick and easy current setting and timing.
- Versatile applications: Suitable for testing protective relays, circuit breakers, current transformers, and more.
Specificatons:
- Maximum output current: 600 amps DC
- Timer range: 0-999.999 seconds
- Timer resolution: 1 millisecond
- Timer accuracy: ±(0.02% of shown value + 0 to 2 ms)
- Output for external ammeter: 600/6 A
- Ammeter inaccuracy: ±0.5%
- Mains voltage: 115 V or 230 V AC, 50/60 Hz
- Dimensions: 356 x 203 x 241 mm (instrument only)
- Weight: 21.9 kg (instrument only)
Applications:
- Primary testing of protective relays: Verifies the overall functionality of the protection system. Â
- Current testing of low-voltage circuit breakers and overcurrent devices: Assesses the performance and tripping characteristics of these devices. Â
- Performance and ratio testing of current transformers: Determines the accuracy of current transformers.Â
- Commissioning tests: Used for various tests during the commissioning of substation switchgear.
Benefits:
- Portability: Easy to transport and use in the field.
- Ease of use: Simple and intuitive operation with built-in timer and ammeter.
- Wide range of applications: Can be used to test various electrical devices.
- Accurate measurements: Provides reliable and precise test results.
Resources:









