Ziehl Ms 220 F Frequency Relay

Key Features of the Ziehl MS 220 F Frequency Relay

The MS 220 F is full of innovative features that make it a top choice among electrical engineers and plant operators:

1. Wide Frequency Monitoring Range

• Equipped to monitor a wide range of frequencies, usually 45 Hz to 65 Hz.
• Permits the setting of both over-frequency and under-frequency points.

2. Adjustable Delay Times

• Adjustable delay for activation and reset to prevent false triggering by temporary fluctuations.
• Improves system stability and prevents abnormal shutdowns.

3. Accuracy and Dependability

• High degree of frequency detection accuracy with negligible deviation.
• Guarantees prompt response to frequency anomalies.

4. Flexible Mounting and Space-saving Design

• DIN rail mounting for convenient mounting in control panels.
• Space-saving design conserves precious panel space.

5. LED Status Indicators

• Easy-to-see visual indication of relay status and frequency threshold alarms.
• Facilitates troubleshooting and maintenance.

6. Broad Range of Voltage Supplies

• Works reliably over a broad voltage range and thus serves to meet various electrical environments.

7. Relay Outputs

• Delivers potential-free relay outputs that may be interfaced to alarms, control loops, or shutdown systems.

Uses of the Ziehl MS 220 F Frequency Relay

The MS 220 F is a general-purpose unit that can be used in a wide variety of industrial and business applications:

1. Power Generation Facilities

• Monitoring generator frequency stability.
• Protection of turbines and alternators from frequency swings.

2. Industrial Automation

• Protecting sensitive devices such as VFDs (Variable Frequency Drives), motors, and PLCs.
• Process stability in automated lines.

3. Data Centers and IT Facilities

• Protection of critical UPS (Uninterruptible Power Supply) systems.
• Protection from frequency-caused damage to servers and network equipment.

4. Renewable Energy Systems

• Monitoring solar inverter and wind turbine output frequency.
• Compliance with grid codes.

5. Transportation and Infrastructure

• Monitoring frequency in railway electrification systems.
• Providing stable frequency supply to public transport systems.

Why Select the Ziehl MS 220 F?

Reliability
Ziehl is known to manufacture tough, reliable relays that function impeccably even under harsh conditions.

Precision Monitoring
The MS 220 F provides precision monitoring with pinpoint accuracy, enabling operators to have strict control over frequency fluctuations.

Easy Integration
Due to its universal DIN-rail mounting and versatile output options, it becomes easy to integrate into existing control systems.

Versatility
Appropriate for a broad spectrum of industries — from power generation to automation to data centers.