Product designation				Rotary cam switches
Product type designation				7GN20
General characteristics
Switching diagram				20 - Dahlander motor 2-speed reversing switch
N° of elements				6
Mounting form				U47 - Snap on fron mounting with black handle for hole diam. 22mm finxing
Contact characteristics
Rated insulation voltage Ui
		IEC/EN	V	690
		UL/CSA	V	600
Rated impulse withstand voltage Uimp			kV	6
Conventional free air thermal current Ith
		IEC/EN	A	20
		UL/CSA	A	20
Rated operational voltage			V	480
Rated operational impulse voltage			kV	4
Maximum fuse size for short-circuit protection In (gG)
		10kA	A	20
		15kA	A	16
		25kA	A	16
Rated short time current Icw
		1s	kA	250
Conductivity				10/5 mA/V
Operational current Ie IEC/EN
	AC1/AC21A
			A	20
	AC15
		110V	A	10
		220/230V	A	8
		380/400V	A	6
		660/690V	A	1.5
Rated operational power in AC
	Three-phase AC-3
		220/230V	kW	3
		380/440V	kW	5.5
		500/690V	kW	5.5
	Single-phase AC-3
		110V	kW	0.8
		220/230V	kW	2.2
		380/440V	kW	3
	Three-phase AC23A
		220/230V	kW	5
		380/440V	kW	7.5
		500/690V	kW	7.5
	Single-phase AC23A
		110V	kW	0.8
		220/230V	kW	2.5
		380/440V	kW	3.7
Rated operational current in DC
	DC21A
		48V	A	20
		60V	A	20
		110V	A	4
		220V	A	0.6
		440V	A	0.25
	DC23A (poles in series)
		24V	A	20 (1)
		48V	A	20 (2)
		60V	A	20 (3)
		110V	A	10 (3)
		220V	A	8 (4)
	DC13
		24V	A	20
		48V	A	16
		60V	A	12
		110V	A	1
		220V	A	0.4
		440V	A	0.15
Power dissipation			W	0.8
Mechanical features
Terminals screw				M3
Tightening torque for terminals max			Nm	0.5
Conductor size
	AWG - Rigid cable
		min	AWG	20
		Max	AWG	12
	AWG - Flexible cable
		min	AWG	20
		Max	AWG	14
	Conductor size (IEC) - Flexible cable
		min	mm²	0.5
		Max	mm²	2.5
	Conductor size (IEC) - Rigid cable
		min	mm²	0.5
		Max	mm²	2.5
Mechanical life			cycles	5x10⁶
UL technical data
Motor power for direct-on-line control
	for three-phase motor
		120V	HP	1.5
		240V	HP	3
		480V	HP	7.5
		600V	HP	10
	for single-phase motor
		120V	HP	0.75
		240V	HP	2
Ambient conditions
Temperature
	Operating temperature
		min	°C	-25
		max	°C	+55
	Storage temperature
		min	°C	-40
		max	°C	+70
Resistance & Protection
Frontal IP degree				IP40
Terminals IP degree				IP00
ETIM classification
ETIM 8.0				EC001029 - Selector switch, complete

Documents

12 - Rotary cam switches (eng)

Certifications

UL
cCSAus
EAC

Conformity

IEC/EN/BS 60947-1
IEC/EN/BS 60947-3
IEC/EN/BS 60947-5-1
UL60947-4-1
CSA C22.2 n° 14

Products > Rotary cam switches

7GN2020U47

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Rotary cam switch 7GN series, Dahlander motor 2-speed reversing switch, 20A, modular service cover for 35mm DIN reail mounting with black handle, front plate 48X48mm

Type of product: Motor starting switches
Switching diagram: 20 - Dahlander motor 2-speed reversing switch
IEC Conventional free air thermal current Ith [A]: 20
Mounting form: U47 - Snap on fron mounting with black handle for hole diam. 22mm finxing
Series: 7GN - round-shaped contact block

Order code	7GN2020U47
Weight [g]	0
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]
Volume [cm³]	0
Bar code [EAN13]	3850144168459
HS Code	85365080