Specifications, T4000 auto synchronizer, Output terminals – Littelfuse T4000 Series User Manual
Page 2: Type selection table, Type approvals and certificates

Specifications
T4000 Auto Synchronizer
T
40
95
-6
2E
Max. voltage
660V
Voltage range
70 - 110%
Consumption
4VA at UN
Frequency range
45 - 65Hz
Frequency difference
0.15Hz
Closing angle
6 - 9°
Voltage difference
10 - 15%
Output voltage
Max. ±6V DC
Sync. time
Less than 5 sec. for engine response 0.2 sec.
Contact rating
AC: 400V, 8A, 2000VA
DC: 35V, 8A, 150W
Operating temperature
-20 to +70°C
EMC
CE according to EN50081-1, EN50082-1, EN50081-2,
EN50082-2
Approvals
Certified by major marine classification societies
Burn-in
50 hours before final test
Enclosure material
Polycarbonate, flame retardant
Weight
0.7kg
Dimensions
H x W x D) 70 x 150 x 115mm
Installation
35 DIN rail or two 4mm (3/16”) screws
Output terminals
Terminal 21
Common
Terminal 22
1kW to 2MW, adjustable on the front.
Turn clockwise for increasing resistance
Terminal 23
1.2MW
Terminal 24
820kW
Terminal 25
480kW
Terminal 26
100kW
Terminal 27
1kW, low impedance
Terminal 28
No internal connection
The specifications are subject to change without notice.
Type Selection Table
Type
Terminals
1-3
2-3
5-7
6-7
T4000.0010
450V
400V
T4000.0020
230V
T4000.0030
480V
415V
T4000.0040
110V
100V
T4000.0050
127V
120V
Other supply voltages and specialities are available on request.
Main office:
SELCO A/S
Betonvej 10
DK-4000 Roskilde
Denmark
Phone: + 45 7026 1122
Fax:
+ 45 7026 2522
e-mail: [email protected]
www.selco.com
Fig. 2. Dimensions.
50
150
135
7.5
10
Fixing holes
2 x ø 4.5 mm
115
70
Dimensions in mm
Connection between terminals 17 and
18 (FORW.) will control the output to a
positive voltage for increasing
frequency. A connection between
terminals 18 and 19 (INV.) will give ne-
gative voltage for increasing frequency.
Type Approvals and Certificates
The T4000 has been approved by the
following marine classification societies:
Bureau Veritas
Croatian Register of Shipping
Germanischer Lloyd
Romanian Register of Shipping
Russian Maritime Register of Shipping