e & Current Transformers
A range of core balance and current transformers
allowing specially calibrated and wired ELD units to be
used with larger cable sizes and bus bars.
The range includes versions with an integral magnetic
screen, recommended for applications where high surge
currents are expected. The transformers may optionally
be supplied with an additional test winding.
N.B. The CTs are not fully insulated: bus bars require
insulating sleeves.
Core Balance Transformers (without screen)
Type
Ratio
VA
Approx. Dimensions (mm)
Approx.
Weight (g)
A
B
C
D
F
RC1
300:3
5
67
110
30
100
67
595
RC2
500:5
5
150
190
30
150
108
1201
RC3
300:3
5
55
90
30
100
57
405
RC4
500:5
5
200
250
30
150
138
1808
RC5
500:5
5
80
125
30
100
75
883
RC6
500:5
5
100
145
30
100
85
784
Core balance Transformers (with screen)
(N.B. RC12 and RC13 supplied without fixing feet)
RC7
500:5
5
45
90
30
100
57
504
RC8
500:5
5
65
125
30
100
75
1005
RC9
500:5
5
55
110
30
100
67
689
RC10
500:5
5
125
190
30
150
108
2053
RC11
500:5
5
170
250
30
150
138
2473
RC12
500:5
5
250
350
35
-
-
8.4 Kg
RC13
500:5
5
300
400
35
-
-
10.0 Kg
RC14
500:5
5
85
145
30
100
85
1104
Current Balance Transformers
with bus bar fixings 10mm above CT centre
Type
Internal
Diameter (mm)
Rating (A)
RC17
70
1250 A
RC18
100
3000 A
RC19
100
1600 A
RC20
100
2400 A
When ordering, please specify:
a) Transformer type number
b) Test winding option, if required
The Generator Controls Division of
R
M060601
Issue 6, revised 09/98
Catalogue section 75
A
Internal Diameter
B
External Diameter
C
Width
D
Fixing centres on feet
F
From bottom of mounting foot to centre of aperture
Since 1939
Frank W. Murphy Manufacturer
PO Box 470248, Tulsa, Oklahoma 74147, USA
Tel: + 1 918 627 3550 Fax: + 1 918 664 6146
email: sales@fwmurphy.com
web: http://www.fwmurphy.com
Frank W. Murphy Southern Division
PO Box 1819, Rosenberg, Texas 77471, USA
Tel: + 1 281 342 0297 Fax: + 1 281 341 6006
email: sales@fwmurphy.com
Frank W. Murphy Ltd.
Incorporating Modex Automation
Church Road, Laverstock, Salisbury U.K.
Tel: + 44 1722 410055 Fax + 44 1722 410088
Pour service en Français, tél: + 44 1722 410697
email: sales@fwmurphy.co.uk
web: http://www.fwmurphy.co.uk
Murphek Pty. Ltd.
1620 Hume Highway, Campbellfield, Vic. 3061 Australia
Tel: + 61 3 9358 5555 Fax: + 61 3 9358 5558
email: murphy@macquarrie.com.au
Murphy Switch of California
PO Box 900788, Palmdale, California 93590, USA
Tel: + 1 805 272 4700 Fax: + 1 805 947 7570
email: sales@murphyswitch.com
web: http://www.murphyswitch.com
Murphy de Mexico S.A. de C.V.
Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje
San Luis Potosí, S.L.P. México 78384
Tel: + 52 48 206264 Fax: + 52 48 206336
email: murmexsl@sanluis.podernet.com.mx
Frank W. Murphy Pte, Ltd.
No. 2 Tuas South Street 2, Sprintecs Building
#02-01/02, Singapore 637895
Tel: +65 863 1398 Fax: +65 863 0208
email: fwmsales@fwmurphy.com.sg
Frank W. Murphy Ltd. en France
Tel: + 33 (1) 30 76 26 26 Fax: + 33 (1) 30 76 39 89
Direct usine Tel: +44 1722 410697
email: sales@fwmurphy.co.uk