MCTA250/18 MULTICOMP, MCTA250/18 Datasheet

TOROIDAL TRANSFORMER

MCTA250/18

Manufacturer Part Number
MCTA250/18
Description
TOROIDAL TRANSFORMER
Manufacturer
MULTICOMP
Datasheet

Specifications of MCTA250/18

Power Rating
250VA
Secondary Voltages
18
Transformer Mounting
Chassis
Weight
2.38kg
Transformer Type
Toroidal
Secondary Current Aac
6.94A
Output Current, Secondary Series
6.94A
Supply Voltage
115V
Output Voltage
18V
Rohs Compliant
Yes
Secondary Current Nom
6.94A
Mounting Type
Donut
Output Current
6.94A
Output Current, Secondary Parallel
13.88A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Schematic
Primary
Dual primary winding for connection in series or parallel only
Input Voltage: 115 or 230v ± 10% 50/60Hz.
DC resistance: 2x 3.05 Ohms ± 15% @ 20 deg.C
Magnetising current: 17.0mA approx.@ 230v 50Hz (34mA approx. @ 115v 50Hz)
Termination
All leads Tri-Rated UL1015 style cable rated 600v /105ºC VW-1
Primary leads double insulated with PVC sleeving for a minimum of 20mm.
Lead lengths ± 5mm approx. All leads ends tinned to 6 mm.
Pri/Sec leads
Losses
Iron loss
Copper loss: 17.4 Watts Approx.
Efficiency : 93.0% typical
Temperature rise: 55ºC approx.
Ambient rated: 40ºC
Approx. dimensions/weight (mounting excluded)
Diameter
Height
Weight
Standards
Designed and manufactured in accordance with : EN61558-1 / EN61558-1/A1 / EN61558-2-4 or
EN61558-2-6
UL recognised under family approval E115159 to UL1411,UL60601-1,UL195059
RoHS Compliant
953 0720
953 0754
953 0770
953 0797
953 0800
953 0835
953 0851
953 0886
Part No.
Farnell
Data Sheet for TA range 250VA General Purpose Toroidal Transformers.
: 1.62 Watts approx.
On Load
Sec V
115 V o─────────────────▄
115 V o─────────────────▄
12
18
25
30
35
40
45
50
0 V o─────────────────▀
0 V o─────────────────▀
119.5 mm* * allow extra 5mm
53.5 mm*
2.38 kg
Rated amps
per Sec
Brn 150mm 20AWG •
Vio 150mm 20AWG █
Gry 150mm 20AWG •
Blu 150mm 20AWG █
10.42
6.94
5.00
4.17
3.57
3.13
2.78
2.50
over leadout area
Off load
PRIMARY
Sec V
12.8
19.2
26.7
31.9
37.2
42.5
48.1
53.3
Sec Flex
16 AWG
16 AWG
16 AWG
20 AWG
20 AWG
20 AWG
20 AWG
20 AWG
SECONDARY
Gauge
▄─────────────────o
▀─────────────────o
▄─────────────────o
▀─────────────────o
Temperature Class
Winding wire:
Insulation system:
Leadout insulation: Class A (105ºC)
Overall:
Red 150mm
Yel 150mm
Blk 150mm
Ora 150mm
Supplied with
1x 90mm dished mounting plate
2x 90mm neoprene mounting pads
1x M6 x 60mm screw, nut & washer
Sec Ohms
@ 20ºC.
0.04
0.09
0.16
0.24
0.32
0.40
0.51
0.63
S1
S2
TI Part No.
TA250/12
TA250/18
TA250/25
TA250/30
TA250/35
TA250/40
TA250/45
TA250/50
Class H (180ºC)
Class B (130ºC)
Class A (105ºC)
Sec V (125VA)
0 V
Sec V (125VA)
0 V
Issue. 2
16/08/07
TI-69242-ME
TI-69244-ME
TI-69245-ME
TI-69246-ME
TI-69247-ME
TI-69248-ME
TI-69249-ME
TI-69250-ME
Part No.
UL

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