ABB-216EA61b-3
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ABB-216EA61b-3
ABB-216EA61b-2
ABB-216EA61b-1

ABB 216EA41b Voltage Monitoring Card Automation Control Module

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Type Voltage Monitoring Module
Input Voltage Range 30–250 V AC/DC (adjustable via software)
Channels 3-phase voltage monitoring (L1, L2, L3)
Accuracy ±0.5% of rated voltage
Response Time <50 ms for fault detection
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Description

ABB 216EA41b Voltage Monitoring Card Automation Control Module

ABB-216EA61b-3

ABB 216EA61b

The ABB 216EA41b is a voltage monitoring module designed for critical industrial automation and power system applications, particularly in generator and transformer protection systems. As part of ABB’s modular protection series (e.g., REG216), this component plays a vital role in real-time voltage regulation and fault detection, ensuring operational stability in high-stakes environments like power plants and manufacturing facilities. Below is a detailed breakdown of its technical specifications, functional capabilities, and practical applications.
Parameter Specification
Model 216EA41b
Type Voltage Monitoring Module
Input Voltage Range 30–250 V AC/DC (adjustable via software)
Channels 3-phase voltage monitoring (L1, L2, L3)
Accuracy ±0.5% of rated voltage
Response Time <50 ms for fault detection
Communication MODBUS RTU, PROFIBUS DP (via adapter)
Output Signals 2x Relay outputs (NO/NC) for alarms/tripping
Power Supply 24 V DC ±10%
Mounting DIN rail (35 mm) or panel-mount
Dimensions 120 mm (W) × 80 mm (H) × 40 mm (D)
Environmental -20°C to +60°C, IP20 (dust protection)
ABB-216EA61b-4

ABB 216EA61b

Voltage Monitoring:
The 216EA41b continuously monitors three-phase voltages to detect anomalies such as overvoltage, undervoltage, phase imbalance, and voltage sag/swell. It provides precise measurements (e.g., RMS values, harmonics) for diagnostic purposes .

ABB-216EA61b-2

ABB 216EA61b

Fault Protection:
    • Overvoltage Trip: Activates relays when voltage exceeds set thresholds (e.g., 110% of rated voltage).
    • Undervoltage Trip: Triggers alarms/tripping if voltage drops below 85% of rated levels.
    • Phase Loss Detection: Identifies missing phases to prevent equipment damage.
    • Voltage Unbalance Alerts: Flags deviations >5% between phases .
      Modular Integration:
      Part of ABB’s REG216 protection system, the 216EA41b interfaces with other modules (e.g., 216GD61a relay modules, 216GW61 input converters) for comprehensive generator/transformer protection. Its plug-and-play design simplifies system expansion .
The ABB 216EA41b is a robust voltage monitoring module that combines precision measurement with reliable fault protection, making it essential for industrial systems where voltage stability is paramount. Its modular design, wide compatibility, and ease of integration with ABB’s automation portfolio ensure seamless deployment in power generation, manufacturing, and renewable energy sectors. For detailed technical documentation or customized solutions, contact ABB’s regional support teams or visit their official resource library .

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