ETD1-125L Dual Screw Mains Isolator Switches

ETD1-125L - Dual screw terminals on both line and load sides for maximum clamping reliability on both incoming and outgoing conductors.

Compliant with IEC 60947-3, the series offers rated currents up to 125 A and is available in 1P, 2P, 3P, and 4P configurations, making it a versatile solution for a wide range of low-voltage distribution systems.

Current ratings: 25A to 125A
Poles: 1P, 2P, 3P, 4P
Utilization category: AC-22A
Dual-screw terminals on both line and load sides

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Porduct Overview

IP20 protection:
Finger protected connection terminals.
Dual screw terminals:
Dual screw terminals ensure maximum conductor clamping reliability.
Standard:
IEC 60947-3: Low-voltage switchgear and controlgear -Part 3.
Contact position indication:
Reliable recognition of the switching status through red/green position indicating device.
RoHS compliant:
ETEK uses environmentally friendly state-of-the-art housing material. With the latest generation of halogen free thermoplastics for isolator switch, it is now possible to recycle the isolator switch completely which reduces environmental pollution. T Series entire range of circuit protection devices conform to RoHS Standards.

Product Tips

Wiring Diagram

Dimension (mm)

Technical Data

Technical Data
Model		ETD1-125L
Terminal configuration	Line side terminals	Dual-screw
	Load side terminals	Dual-screw
Standard		IEC/EN 60947-3
Method of operation		Dependent manual operation
No. of poles		1P,2P,3P,4P
Insulation voltage (Ui)		500V
Rated voltage (Ue)		220/230/240V and 380/400/415V for 1P
		380/400/415V for 2P/3P/4P
Rated frequency		50/60Hz
Rated currents (In)		25,32,40,50,63,80,100,125A
Utilization category		AC-22A
Short-time withstand current (Icw)		2500A/1s
Rated short-circuit making capacity (Icm)		3550A
Rated impulse withstand voltage (Uimp) (1.2/50μs)		6kV
Dielectric test voltage		2kV(50/60Hz, 1 min.)
Fire resistance (glow-wire test)		960±15°C(Enclosure)
		650±10°C (Handle)
Electrical life		2000 cycles
Mechanical life		1,0000 cycles
Contact position indicator		green OFF/ red ON
Protection degree		IP20 for front cover
Ambient temperature		-5℃~+40℃
Storage temperature		-25℃~+70℃
Terminal connection type		Cable/ Pin-type busbar
Max. terminal size for cable		35mm² flexible/50mm² rigid
Max. tightening torque		3.5N.m
Installation		Mounting on 35mm DIN rail
Incoming method		Bi-directional

Utilization Categories for Low Voltage Switchgear According to IEC60947-3
Current	Utilization categories		Typical application
Current	Category A	Category B	Typical application
AC	AC-20A	AC-20B	Connecting and disconnecting under no-load conditions
	AC-21A	AC-21B	Switching of resistive loads including moderate overloads
	AC-22A	AC-22B	Switching of mixed resistive and inductive loads,including moderate overloads
	AC-23A	AC-23B	Switching of motor loads or other highly inductive loads
	AC-23Ae	AC-23Be	Switching of motor loads with higher locked rotor currents
DC	DC-20A	DC-20B	Connecting and disconnecting under no-load conditions
	DC-21A	DC-21B	Switching of resistive loads including moderate overloads
	DC-22A	DC-22B	Switching of mixed resistive and inductive loads, including moderate overloads (e.g. shunt motors)
	DC-23A	DC-23B	Switching of highly inductive loads (e.g. series motors)