McAfee Secure sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
All purchases are eligible for automatic volume discounts at checkout except for Verbatim, Robertshaw, Toshiba, ATC Counters, MDI, ASCO, Chromalox, Convectronics products and all Mats as follows: 5% discounts for orders over $500; 10% discounts for orders over $1000; 15% discounts for orders over $3000. Orders outside of North America may be subject to a processing fee.
Store Front   Account  Search  Product List  Basket Contents Checkout
Sign In

Timers and Time Delay Relays (TDRs)
ATC Counters
Carlo Gavazzi Solid State Relays
MDI Mercury Switched Contactors / Relays
Vibration Switches, Laser Switches and Proximity Switches
Solenoid Valves
Electric Heaters
Motors & Drives
Voltage Monitors
Weintek HMIs
MDI Level Control Floats
Temperature Controls
Carlo Gavazzi Power Supplies
Meltric Quick Disconnect Plugs
Jessup Glo Brite ECO Exit Signs
Verbatim LED Lighting
Overstock Items
Basket Contents
Quantity in Basket: none 

ATC MOTOR GUARDIAN, 150 - 600 AMPS. Diversified P/N MPA1000 03C, 2 inch CT included
Quantity in Basket: none
Code: SEMPA-1000-03C
Price: $879.00

Shipping Weight: 3.00 pounds
The ATC Motor Guardian or MPA 1000 by is a microprocessor based overload relay, designed to provide protection for 3-Phase AC motors including motor imbalance, current imbalance, single phasing, phase reversal, ground fault, and motor jams. It offers a broad range of features in one compact package providing a cost effective solution for monitoring and managing motor performance.

A unique feature of the ATC Diversified MPA 1000 is its ease of installation. It is provided with Clamp-On C.T.'s that can accommodate up to 1500 ampere loads. Actual motor operating conditions are accessed by the scrolling menu and viewed by a two line highly visible vacuum fluorescent display. Fault conditions are also displayed indicating the specific cause of the occurring fault. The Included Current Transformer (CT) is 2.0 inches and rated for 150 to 600 amps for this part number. ATC Part number is MPA1000 03C

Input Voltage: 200-500 VAC 3-Phase Nominal)
Frequency: 50/60 Hz
Phase Sequence: ABC (will not operate CBA)
Output Contact: DPDT; Form 'C' 10 A @ 240 VAC
Alarm Output: SPDT; Form 'C' 10 A @ 240 VAC
Control Voltage: None Required

Voltage: 1%
Current: 1%
G.F. Current 10%
Timing 5% 1 Second


View Product Datasheet (pdf format)

Click here to return to the full list of ATC Voltage Monitors.

Please direct your questions to
Phone: 800 929-2845   |   Fax: 216 360-0425
24050 Commerce Park, Beachwood OH 44122
We accept Visa, Master Card, and American Express.
Volume discounts (up to 15% off) listed at the top of this page.
We ship by UPS Mon-Fri (Next Day Air, 2nd Day Air or Ground).
View the Sords Electric Line Card.

McAfee Secure sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams