Littelfuse PGR-4300 (GFA300) Series Bedienungsanleitung PDF herunterladen

Protection Relays & Controls

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Generator & Single-Function Protection–Ground Fault

PGR-4300 SERIES (GFA300)

Generator Ground-Fault Relay

ORDERING NUMBER CONTROL POWER

PGR-4300-12 12 Vdc

PGR-4300-24 24 Vdc

PGR-4300-120 120 Vac

Description

The PGR-4300 Generator Ground-Fault Relay provides

a simple method for detecting a ground-fault condition

on generators without the need for current transformers

(CTs). This greatly simpliﬁes the installation. In addition,

it is compatible with both three- and four-pole transfer

switches. This relay also monitors the neutral-to-ground path

for continuity. The PGR-4300 is ideal for any generator or

application where there is not sufﬁcient space to install CTs.

Ordering Information

Simpliﬁed Circuit Diagram

FEATURES BENEFITS

No CTs required Saves space and simpliﬁes installation

Adjustable pickup

(100 - 1200 A)

Adjustable trip setting provides a wide range of

protection and allows system coordination

Adjustable time delay

(0 - 1.0 s)

Adjustable trip delay allows quick protection and

system coordination

Output contacts

Form C ground-fault output contacts for alarming

or tripping purposes

Analog output

(0 - 1 mA)

Provides means for connecting to an optional

meter (PGA-0500) or control system

N-G continuity alarm

Monitors neutral-to-ground integrity and alarms if

ground path becomes open circuit

Passive ﬁltering Eliminates nuisance tripping

Features & Beneﬁts

PGA-0500 Analog % Current Meter

Optional panel-mounted analog meter

displays ground-fault current as a

percentage of the set-point.

Accessories

ACCESSORIES REQUIREMENT

PGA-0500 Optional

PMA-55 Optional

PMA-60 Optional

Note: For optional conformal coating please consult factory.

Speciﬁcations

IEEE Device Numbers Ground Fault (50G/N, 51G/N)

Input Voltage See ordering information

Dimensions H 75 mm (3.0”); W 55 mm (2.2”); D 115 mm (4.5”)

Trip Level Settings 100-1200 A

Trip Time Delay Settings 0-1.0 s

Contact Operating Mode Non-fail-safe

Test Button Local

Reset Button Local and remote

Output Contacts Form C

Approvals UL Listed

Analog Output 0-1 mA

Conformally Coated Consult factory

Warranty 5 years

Mounting DIN, Surface (standard)

Panel (with PMA-55 or PMA-60 adapter)

PGR-4300

(Generator

Ground-Fault Relay)

Rev: 4-A-050213

Based on Manual Rev 3

PGR-4300 SERIES (GFA300) 1

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