PGR-6150 Series - Motor Protection System

Series: PGR-6150      Obsolete 05/26/2016 Questions? Contact Littelfuse Support
Obsolete 05/26/2016. The PGR-6150 Motor Protection System provides 13 protective functions by utilizing both current and temperature inputs. It is a modular system consisting of the control unit and an operator interface (PGR-6150-OPI). The OPI allows programming and displays metered values. The PGR-6150 is used to provide current- and temperature-based protection, metering and data logging for three-phase motors used in industrial environments. Current transformers are not required for currents up to 25 A.

FEATURES

IEEE #

BENEFITS

No CTs required

49, 51 

No current transformers are required for currents < 25 A

Adjustable trip settings

Adjustable overload trip class setting from 5 to 45 to match motor characteristics

Digital input

            

Programmable digital input

Output contacts

Two programmable Form C output contacts for operation of separate annunciation and trip circuits

Overload

49, 51

Extends motor life and prevents insulation failures and fires

Overcurrent/Jam

50, 51

Detects catastrophic failures and fires; extends motor life

Undercurrent

37

Detects low level or no-load conditions

Unbalance (current)

46

Prevents overheating due to unbalanced phases

Phase loss/Phase sequence

46

Detects unhealthy supply conditions

PTC overtemperature

49

Detect high ambient or blocked ventilation and single phasing; prevents shaft/pump damage

Dynamic thermal model

Provides protection through starting, running, overload, and cooling cycles

Communications

RS-485 communications to remotely display metered values

Access specifications, certifications, check availability and order parts below

Catalog #Supply
Voltage
(VAC)
Supply
Voltage
(VDC)
Relay
Contacts
ApprovalsCommsCompare
PGR-6150-120120/240120/240Two Form C (N.O./N.C.)Consult factoryRS-485
PGR-6150-2424/48Two Form C (N.O./N.C.)Consult factoryRS-485
PGR-6150-240120/240120/240Two Form C (N.O./N.C.)Consult factoryRS-485
PGR-6150-OPIConsult factory

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