Protection Relays & Controls
© 2013 Littelfuse Protection Relays & Controls
Rev: 4-A-050213
Insulation Monitoring
T3200 SERIES
Two-Channel Insulation-Monitoring Relay
Specifications
InsulationLevel 0-5 MΩ
Delay 1-10 sec.
Max. Voltage 660 V
Voltage Range 80-110%
Consumption Max. 2 VA
Frequency Range 45-65Hz
Measuring Voltage 15 Vdc
Instrument Output 0-1 mA
Instrument Resistance Max. 100 Ω
Output relays Normally de-energized; non-fail-safe
Contact Ratings AC: 400 V, 2 A, 250 VA; DC: 110 V, 2 A, 100 W
Overall Accuracy ±5% of preset value
Operating Temperature –20°C to + 70°C
EMC CE according to EN50081-1, EN50082-1,
EN50081-2, EN50082-2
Approvals Certified by major marine classification societies
Enclosure Material Polycarbonate. Flame retardant
Weight 0.5 kg
Dimensions H 70 mm (2.75”); W 100 mm (3.94”); D 115 mm (4.52”)
Installation 35 mm DIN rail or 4 mm (
3
/16”) screws
ORDERING NUMBER 1-3 TERMINALS 2-3 TERMINALS
T3200.0010 230 V
–
T3200.0020 450 V 400 V
T3200.0030 480 V 415 V
T3200.0050 110 V 100 V
T3200.0060 127 V 120 V
Ordering Information
Simplified Circuit Diagram
Other voltages are available on request.
E2323 Megaohmmeter
Flush mounted units designed for connection
with the T3200 for instrument readings.
Features & Benefits
Accessories
A
ACCESSORIES DIMENSION
E2323.0010 Megaohmmeter 96 x 96 mm
E2333.0010 Megaohmmeter 144 x144 mm
Littelfuse.com/t3200
SYS. 1
COM
INS. 1
INS. 2
SYS. 1
SYS. 2
SYS. 2
5
+ –
6
7
13
15
11
1
2
3
18
19
20
8
9
10
L
1
L
2
L
3
T3200
(Double Insulation
Monitoring Relay)
E2323
(Megaohmmeter)
FEATURES BENEFITS
Accepts high supply
voltage variation
Ensures correct operation in spite of voltage
supply fluctuations (fulfils marine class
requirement)
Visual indication of power,
pick-up, and output trip
Provides quick and concise status information
Direct line-line or line-
neutral voltage supply (up
to 690 Vac)
Simplifies design and installation.
No need for PTs.
Combined monitoring of
2 independent systems
Economic solution and occupying less space in
the switch panel
Available with separate
24 Vdc supply
Safe operation. Maintains protection regardless
of system voltage failure
Galvanic isolated inputs
Protects the unit against high AC voltage and
currents from the installation including spikes
DIN-rail or screw- mount
& adjustment by
potentiometers
Easy installation
A
Description
The T3200 Insulation-Monitoring Relay is designed for
continuous insulation monitoring on three-phase insulated
networks on board ships. The relay continuously monitors
two systems galvanically separated from each other, e.g.
the busbar and the lighting system, or two busbar systems.
The unit features two output relays for alarm purposes and
two analog outputs for instrument reading. Instruments are
available from Littelfuse Selco as standard-sized switchboard
instruments. The T3200 carries the CE label and has been
approved by major marine classification societies.
(6 páginas)
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