• LS Electric IMC-III Digital Motor Protection Controller (0.125-60 A)
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LS Electric IMC-III Digital Motor Protection Controller (0.125-60 A)

LS Electric IMC-III Digital Motor Protection Controller (0.125-60 A)

LS Electric IMC-III digital motor protection and control units for panel mounting, combining motor protection with start-sequence control for direct, reversing, Y-D, reactor and inverter starting.

Key features

  • One model covers 0.125-60 A (0.5-6 A / 5-60 A selectable) with dedicated MCT current transformers
  • Overload, locked rotor, phase loss, unbalance and ground fault protection; inverse or definite time
  • 9 output contacts (start, status, timer, trip) and 9 inputs (run, MC status, external trip)
  • Local, Auto, Water Level and Remote operation modes with fault recording
  • IMC-IIIa general version omits W/L status, timer outputs and flow-switch input
  • Requires 3 MCT units (ordered separately)

Specifications

Series IMC-III (Beyond X)
Rated current 0.125-60 A
Time characteristic Inverse / definite
Display 4-digit 7-segment
Rated frequency 50/60 Hz
Mounting Panel flush mounting
Output contact rating 5 A / 250 V AC resistive
ZCT input 200 mA/0.1 mA (IMC ZCT)
Operating temperature -10 to 55 C
Power consumption 6 W max.
Source LS Electric EMPR Series catalog C15031-15 (2025-11), p. 123, 132, 134
IMC-III-NO-AC110V Model: IMC-III advanced | Communication: None | Control voltage: AC 110 V
IMC-III-NO-AC220V Model: IMC-III advanced | Communication: None | Control voltage: AC 220 V
IMC-III-M485-AC110V Model: IMC-III advanced | Communication: Modbus RS485 | Control voltage: AC 110 V
IMC-III-M485-AC220V Model: IMC-III advanced | Communication: Modbus RS485 | Control voltage: AC 220 V
IMC-III-A420-AC110V Model: IMC-III advanced | Communication: Analog 4-20 mA | Control voltage: AC 110 V
IMC-III-A420-AC220V Model: IMC-III advanced | Communication: Analog 4-20 mA | Control voltage: AC 220 V
IMC-IIIa-NO-AC110V Model: IMC-IIIa general | Communication: None | Control voltage: AC 110 V
IMC-IIIa-NO-AC220V Model: IMC-IIIa general | Communication: None | Control voltage: AC 220 V
IMC-IIIa-M485-AC110V Model: IMC-IIIa general | Communication: Modbus RS485 | Control voltage: AC 110 V
IMC-IIIa-M485-AC220V Model: IMC-IIIa general | Communication: Modbus RS485 | Control voltage: AC 220 V
IMC-IIIa-A420-AC110V Model: IMC-IIIa general | Communication: Analog 4-20 mA | Control voltage: AC 110 V
IMC-IIIa-A420-AC220V Model: IMC-IIIa general | Communication: Analog 4-20 mA | Control voltage: AC 220 V
Motor Protection RelaysLS Electric
12 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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LS Electric IMC-III Digital Motor Protection Controller (0.125-60 A)

Brand LS Electric·Motor Protection Relays

Available part numbers (12)

IMC-III-NO-AC110V, IMC-III-NO-AC220V, IMC-III-M485-AC110V, IMC-III-M485-AC220V, IMC-III-A420-AC110V, IMC-III-A420-AC220V, IMC-IIIa-NO-AC110V, IMC-IIIa-NO-AC220V, IMC-IIIa-M485-AC110V, IMC-IIIa-M485-AC220V + 2 more — see full table ↓

How to order

Send the LS Electric part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
IMC-III-NO-AC110VModel: IMC-III advanced | Communication: None | Control voltage: AC 110 V
IMC-III-NO-AC220VModel: IMC-III advanced | Communication: None | Control voltage: AC 220 V
IMC-III-M485-AC110VModel: IMC-III advanced | Communication: Modbus RS485 | Control voltage: AC 110 V
IMC-III-M485-AC220VModel: IMC-III advanced | Communication: Modbus RS485 | Control voltage: AC 220 V
IMC-III-A420-AC110VModel: IMC-III advanced | Communication: Analog 4-20 mA | Control voltage: AC 110 V
IMC-III-A420-AC220VModel: IMC-III advanced | Communication: Analog 4-20 mA | Control voltage: AC 220 V
IMC-IIIa-NO-AC110VModel: IMC-IIIa general | Communication: None | Control voltage: AC 110 V
IMC-IIIa-NO-AC220VModel: IMC-IIIa general | Communication: None | Control voltage: AC 220 V
IMC-IIIa-M485-AC110VModel: IMC-IIIa general | Communication: Modbus RS485 | Control voltage: AC 110 V
IMC-IIIa-M485-AC220VModel: IMC-IIIa general | Communication: Modbus RS485 | Control voltage: AC 220 V
IMC-IIIa-A420-AC110VModel: IMC-IIIa general | Communication: Analog 4-20 mA | Control voltage: AC 110 V
IMC-IIIa-A420-AC220VModel: IMC-IIIa general | Communication: Analog 4-20 mA | Control voltage: AC 220 V

Need a different model, or a part not listed here? Send us your parts list →

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