J.B.Electronics

Voltage Monitoring Series SM 501Ordering Information160• Protects against Phase Loss, Phase Reversal & Phase Asymmetry• 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

Dimension (HxWxD) mm 75 x 45 x 110 Mounting APPLICATIONS
01 Input Voltage Din Rail Mounting 280 to 520 V AC (L-L) 3Ø-3W 160 to 300 V AC (L-N) 3Ø-4W VPR-3P ( Phase Voltage Protection Relay) Output ST 1 Relay 1 C/O, 10A, 230 V AC (Resistive load) ND 2 Relay 1 C/0, 5A, 230V AC Power Supply Self Powered, 30VA Max

Over Voltage

Under Voltage

Over Frequency

Under Frequency

Phase Loss

Phase Sequence

Asymmetry & Neutral Loss

MULTISPAN VMR 132 – Product Description MULTISPAN VMR 132 Voltage Monitoring Relay is a compact and reliable voltage protection device designed to continuously monitor electrical voltage and protect equipment from over-voltage, under-voltage and abnormal voltage conditions. Key Features: * Digital voltage monitoring * Under-voltage & over-voltage protection * Adjustable voltage limits * Adjustable time delay * Automatic relay output * Compact panel/DIN-rail mounting design * Suitable for industrial automation and electrical protection * Helps protect motors, pumps, control panels and other sensitive equipment * Easy-to-read digital display * Reliable operation for industrial applications Applications: Motor protection, control panels, automation systems, pumps, compressors, HVAC systems, machinery and industrial electrical equipment.