INSTRUCTION
Thermal Overload Relay
This manual
should be
Type
given to the person who
actually useø the
products and i'
responsible for their
maintenance.
Safe
To ensure proper use of the product, be sure to read this manual and the other
documents car-emy
be6re
starting installation,
Within this instruction manual, safrty precautions are ranked, in order of importance, as either
"Warning" or gCatnion".
An
hazu•dous condition resulting from improper operation.
WARNING
An operator nay suEr minor innries and/or ob>cts may be
CAUTION
operation.
Under certain conditions, improper operatbn may result in serious inii.ry and/or
if it is labeled only as"Caution". Every item indicated by either "Waming" or "Caution"
should be considered significant.
Be sure to Éve particular care to
Do not touch the product or approach it when
shock or bums may result.
Tum of the powe b&re
starting maintenance or inspection.. Failure to turn
off powermay result in Electric shock or burns.
For wiring, select wire sizes suitable
Tighten wins with the tightening torque spæified in the instruction manual.
Failure to do so may result in fm.
Do not touch the product immediately aft« the power is tumed of. As it may
still be hot, burns may result.
Treat the product as industrial waste when discarding.
1. Unpacking
(1) Checkthat the type and rating matchthe requested specifications.
(2) Make sure that no parts havebeen lost or &maged.
2. Storage
Store the unit in the packing box. Do not store the packing box in a locdion subEct to
high temperature, high humidity, comsive gas, or
3. Mounting
(1) Mount in a dry, clean and stable location.
(2) Mounting on a verticalsurface.
(3) Combinatbn of magneticcontactors and separatemounting unit.
Thermal overload rüy
Combinatbn of magietic contactors
SC-E02, E03. E04, E05
TK-E02
SC-E02/G, E03/G, E04/G, E05/G
4. Mounting space
(1) Mount the pmducts at a distanceofat least that shownin the table below.
(Fig.2 ex. 'IX-E02+SZ-HCE)
MANUAL
TK-E02
Precautions
operation,
maintenance and inspection.
may be killed or seriously inÅred by a
items.
WARNING
connected.
CAUTION
the applied voltage and current.
sunlight.
proålct
inclinemorethan300 . (Fig.1)
Separate mountiig unit 6r
thermal overload relay
SZ-HCE
Dimension
A
20mm
Dimension
B
I Omm
5. Connection
NA-F2011
Capablewire size and proper tightening torque.
(l) Main terminals
Direct
Connectbn
Kinds of screw (Note 11
Tightening torque
(2) Auxiliary terminals
Direct
even
Connection
(Note1) O:Phi1ipsPH2 06
e :Slotted—hed
(Note 2) Stranded
Flexible stranded
(Note 3) Tightenall ta•minal s crewsevenif not used.
(Note 41 After aligument o r bendingback of
torque of the clamping screws.
6. Usage
(1) Tum the adÅstment dial within the dial g•adationsso that the current loaded to the
motor is at the V mark (Fig. 3).
(2) By pushingthe Trip bar toward the artow, the sequence
(3) If the thermal
overload, and then lidltly pressthe reset button to reset it. (In this case,the thermal
overload relay canmt be reset, if it is not cooled st&iently.)
(4) The operation status of the Thermal overload relay is
length of the Trip bar (Fig.4).
(5) To change from the manual reset mode to the automatic reset mode, please change
into the state where a Reset button does not jltnp out by the method shown in Fig.5.
In addition,
Trip bar.
(6) Note that the motor restarts automatically
circuit
7. Maintenance and Inspection
(1) Check that all screwsare tightened.
(2) Check that an terminals are tightened with the proper torque periodically.
Solid
AWG
Stranded
stranded
with
end sleeve
(Note 21
Stripped
Teminal
screw size
Types
AWG
Stranded
Flexible
stranded
with
end sleeve
(Note 21
Stripped length
Terminal
screw size
Kindsof screw (Note l)
Clb•in]
Tightening torque
screw X5.5XLType B
Number of solids
7
wire: Number of soüds > 7
relay operates, first remove the cause of
automatic reset mode cannot distinguish a state of operation with a
the Thermal overload relay in a
is reset in the automatic
reset mode.
TK-E02
1 x(18 to 12)
to 12)
to 4)
11
M4
11 to 13
1.2 to 1.5
TK-E02
1 X(18 to 14)
to 14)
1 X(0.75 to 2.5)
IX(Ö1to
41.6)
2X(0.75 to 1.5)
2X(1.5 to 2.5)
10
M3.5
7t09
0.8t01
wires,checkthe tightening
will start (Fig.3).
such as
with the pmÉcted
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