Your trusted Authorized SSAC Distributor Since 1992

A Littelfuse Brand Formerly ABB SSAC

SSAC Monitoring Relays

Protect your motors and equipment from power quality problems with SSAC monitoring relays. Detect voltage abnormalities, phase problems, and current issues before they cause expensive damage.

Need a monitoring relay? Talk to an expert:

262-252-1600

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Search Monitoring Relays in Our Inventory

Voltage Monitor Phase Monitor Current Sensor

Monitoring Relay Categories

Voltage Monitors

Detect dangerous voltage conditions that can damage motors, electronics, and other equipment.

Over-Voltage
Trips when voltage exceeds safe limits
Under-Voltage
Trips when voltage drops below minimum
Voltage Unbalance
Detects 3-phase voltage imbalance
Download Voltage Monitor Catalog (PDF)

Phase Monitors

Protect 3-phase motors from phase-related faults that cause overheating and failure.

Phase Loss
Detects single-phasing condition
Phase Reversal
Detects incorrect phase sequence
Phase Unbalance
Detects current/voltage imbalance
Download Phase Monitor Catalog (PDF)

Current Sensors & Load Monitors

Monitor motor and load current to detect overload, jam, or undercurrent (dry pump) conditions.

Overcurrent
Motor overload, jam detection
Undercurrent
Dry pump, broken belt detection
Current Proving
Confirm load is running
Download Current Sensor Catalog (PDF)

Specialized Monitors

Motor Insulation Monitors
Detect insulation breakdown before motor failure
Ground Fault Monitors
Detect ground faults in ungrounded systems

⚠️ Why Power Monitoring Matters

Phase Loss causes 3-phase motors to draw 173% current on remaining phases, leading to rapid overheating and failure.
Voltage Unbalance of just 3.5% can reduce motor life by 50% due to increased heating.
Single-Phasing is the #1 cause of 3-phase motor failure - standard overloads don't detect it fast enough.

Why SSAC Monitoring Relays?

Prevent Costly Failures

Detect problems before they cause damage

10-Year Warranty

Industry-leading product protection

Easy Installation

Standard mounting, relay output

Adjustable Setpoints

Customize trip levels for your application

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Ready to Order SSAC Monitoring Relays?

Same-day shipping. Expert support. 10-year warranty.

Call 262-252-1600

Gross Automation - Your trusted SSAC Distributor Since 1992