Voltage Monitoring

Voltage Monitoring Series Sm 800

• LCD Display with Green Back light
• Can be configured for 3 Phase 3 Wire and 3 Phase 4 Wire
• Password Protection
• Log of 5 previous faults for better monitoring
• Selectable Over Voltage/ Under Voltage, Asymmetry, Phase Loss, Phase Sequence, Over Frequency/Under Frequency
• Fail safe/ Non-Fail safe relay output
• Two Separate Relay outputs with independent Programming

Voltage Monitoring Series SM 175

• Compact 17.5 mm Wide
• Multi-Voltage: Three Phase 3 Wire @ 208-480 VAC or Three Phase 4 Wire @ 120-277 VAC
• Can be configured for 3 Phase 3 Wire or 3 Phase 4 Wire system
• Protection against Phase loss, Phase Sequence, Phase Asymmetry, Under Voltage & Over Voltage
• Selectable Under Voltage / Over Voltage, Asymmetry and Phase Sequence
• LED Indication for all Faults & for change in dip switch settings during runtime for better security
• Adjustable ON/OFF Time Delay in seconds / minutes
• 1 C/O Configuration

Voltage Monitoring Series SM 175

• Compact 17.5 mm Wide
• Protects against Phase Loss, Phase Reversal & Phase Asymmetry
• Multi-Voltage: Three Phase wire @ 208 – 480 VAC
• Selectable Under Voltage / Over Voltage & Asymmetry
• LED Indication for all Faults & for change in settings during run time for better security
• Adjustable Time Delay
• 1 C/O Configuration

Voltage Monitoring Series SM 301

• Protects against Phase Loss, Phase Reversal and Phase-Phase Unbalance
• No auxillary supply needed
• Voltage sensing principle
• 1 C/O & 2 C/O Configurations
• Designed to meet Industrial and Agricultural segment applications

Voltage Monitoring Series SM 500

• Protects against Phase Loss, Phase Reversal and Phase-Phase Unbalance
• Can be configured for 3 Phase 4 Wire or 1 Phase system
• Selectable Over/Under voltage trip level
• Selectable Time Delay
• LED indications for power and fault conditions
• Voltage sensing principle
• 1 C/O or 2 C/O Configuration

Voltage Monitoring Series SM500 – Neutral Loss Protection

• Protects against Phase Loss, Phase Reversal and Phase-Phase Unbalance
• Can be configured for 3 Phase 4 Wire or 1 Phase system
• Selectable Over/Under voltage trip level
• Selectable Time Delay
• LED indications for power and fault conditions
• Voltage sensing principle
• 1 C/O or 2 C/O Configuration

Voltage Monitoring Series SM 501

• Protects against Phase Loss, Phase Reversal and Phase-Phase Unbalance.
• Suitable for 3 Phase 3 Wire system.
• Selectable Under Voltage / Over Voltage Trip level.
• Selectable Time Delay.
• Models for Selectable Phase Asymmetry.
• LED indications for power and fault conditions.
• Voltage sensing principle.
• 2 C/O configuration.

Three Phase Indicator

• Compact 17.5 mm Wide
• Available for Single, Two and Three Phase indications
• Choice of four colors
• LED technology for long life
• Integrated front product labeling