ST EPSILON TNC Series User manual
1. General :
This Switch complies with international
standard IEC 60947-
This product must be used after
mounting in panel with hardware
supplied, with wires permanently
connected to terminals as specified.
2. Meaning of symbols :
-European Conformity Mark
-Switch/DisconnectorSymbol
3. Specification :
Refertechnical chart.
4.EquipmentInstallation:
* Due consideration should be given to
spacebehindthecamswitchtoallowfor
bendsinconnectingcables.
* The products do not have internal
protection against overload & short
circuit,hence external safety protection
should be provided. It is recommended
to install protective device near a
equipment.
*Select mounting location which is
protected from water on front and
backsideofswitch.
* Ensure that wires do not remain
undertension.
5.Operation&Maintenance:
* Equipment must be installed &
maintained by suitably qualified
person.
*Ifequipmentis usedin amanner
not specified by manufacturer, the
protection provided by the
equipmentmaybeimpaired.
* Disconnect supply before
installation of Switch and during
maintenance.
* Ensure that cables are properly
tightenwithselfliftingscrew.
6. Testing :
* Cables should be connected at
specified position as shown in
connectiondiagram.
* It is recommended to test the switch
before installation as per connection
diagram using multimeter.
7. Servicing of Cam Switches :
*Camswitchneednotrequiredtobe
servicedifproperfuseprotectionand
dust protection are provided.
Howeverifcontactfailureoccursdue
to accumulation of dust near contact
area,dustcanbecleanedbyblowing
air.
*Ifcontactareslightlyweldeddueto
insufficient fuse protection, weld can
be opened by forcibly operating the
knobtoalimitedextent.
NOTICE
Thisproducthasbeendesignedfor
environmentA.Useofthisproduct
in environment B may cause
unwanted electromagnetic
disturbances in which case the
user may be required to take
adequatemitigationmeasures.
Panel Mounting
Assembly
Panel Cutout
Details
1
Type M2 M3M1
Epsilon 25A
Epsilon 32A
48 12
48 12
4
4
data
IEC 60947-3
IEC 60947-
1, &
5.
Instruction Manual
EPSILON TNC SERIES
Technical Data
25A 32A
Unit
Parameter
Conformance to standards :
European : IEC 60947-1
IEC 60947-3
IEC 60947-5
Indian : IS 13947-1/3/5
Frequency : 50/60 Hz
Operating Temp. :-25 C to 60 C
Over voltage category : III
Storage : -40 C to 80 C
Max. Altitude : 2000 m
IP: 50 Front
Rated operational voltage (Ue)
Rated Insulation voltage (Ui)
Rated operational current (Ie)
rated uniterrupetd current (Ith)
Rated short time withstand current (Icw)
Rated Fuse short circuit current
Fuse size (Type gG /gM)
AC23A 3phase
AC23A 1phase
AC3 3phase
AC3 1phase
AC21A/AC1
AC15
(1s- Current)
220-240V
380-440V
500V
660-690V
110V
220-240V
380-440V
220-240V
380-440V
500V
600-690V
110V
220-240V
380-440V
220-240V
380-440V
V
V
A
A
KV
A
KA
A
KW
KW
KW
KW
KW
KW
KW
KW
KW
KW
KW
KW
KW
KW
A
A
A
690
690
25
32
6
300
10
25
4.7
7.5
11
11
1.5
3
5.5
4.7
7.5
11
11
1.5
3
5.5
25
8
5
690
690
32
40
6
384
10
32
5.5
11
15
15
2.2
3.7
7.5
5.5
11
15
15
2.2
3.7
7.5
32
14
6
Terminal cross -section
Single / Multiple
Fine strand with sleeve
Terminal screw
Terminal tightening torque
Min
Max
Min
Max
mm2
mm2
mm2
mm2
Metric
Nm
2.5
4
1.5
4
M4
1.2
2.5
6
1.5
4
M4
1.2
* Rated short time withstand current (0.5s- current)
Mechanical Life : 1 Lac operations @ 300 Cycles/hr
Electrical Life : 10,000 opeartions @ 100% Rated duty at 120 cycles/hr
Switch Life :
Contacts : Double break type AgNi
Double break type AgCdO
o o
o o
Operating Conditions :
Rated Impulse withstand voltage (Uimp)
Instruction Manual
EPSILON TNC SERIES
2
SR.
NO.
DESCRIPTION
CONNECTIONDIAGRAM/TERMINALMARKING
NO.OF
STAGES
11-2
Offered up to 2 poles
OUTPUT SIDE 1A 1B 1C 1D
INPUTSIDE LA LB LC LD
POLES 1 2
NEUTRAL
TRIP X X
CLOSE X X
Trip Neutral Close (TNC) Switch
T
R
I
P
C
L
O
S
E
NEUTRAL
Instruction Manual
EPSILON TNC SERIES
3
Version No : STIUS / 2020 / 01
Sifam Tinsley Instrumentation Inc.
3105 Creekside Village Drive, Suite No. 801, Kennesaw, GA 30144 (USA)
Contact No. : +1 404 736 4903
E-mail Id : psk@sifamtinsley.com
Web : www.sifamtinsley.com
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