Thermal relay
SIGMA ELEKTRIK SAN. VE TIC.LTD.STI

Direct connection to a magnetic contactor
Our thermal overload relays are conveniently connected to a magnetic
contactor without any wire
Separation of power /operation part
The main circuit and the operation part are separately designed and the
operation park is commonly designed for improving safety.
Temperature compensation Bi-metal applied
Seperate temperature compensation with the ambient temperature
change is not necessary
(Applied ambient temperature: -10 oC ~ + 40 oC)
Seperate mounting unit
In case of mounting the overload relays independently, the seperate
mounting kits are available for panel installation with rail of screw
Easy operation
* 3 steps current setting
The rated current can be set with a Philips or flat screw driver.
* Easy in setting Manual-Auto Reset
For the increased convenience of the user, you can select
manual reset or automatic reset at your choice.
(Manual Reset)
As shown on the right, turn the reset screw so that the arrow mark
points to "H" and allow the screw to lift up.
(Automatic Reset)
Push down the reset screw and turn it so that the arrow mark points to "A".
* Trip Indication
If the TOR is tripped, it descends 2~3mm and indicates the tripped
condition. When testing manually, lift up the transparent cover and
push (Transparent cover is to protect the careless adjustment after
setting the contact current by knob).
Strong operation part with Vibration Resistance (700g.)