Product designation				Rotary cam switches
Product type designation				GN20
General characteristics
Switching diagram				51
N° of elements				1
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
Maximum fuse size for short-circuit protection In (gG)
		10kA	A	20
		25kA	A	16
Rated short time current Icw
		1s	A	250
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
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
	Conductor size (IEC) - Rigid cable
		Max	mm²	2.5
Mechanical life			cycles	5x10⁶
UL technical data
Motor power for direct-on-line control
	for three-phase motor
		240V	HP	3
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

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7GN20R510U

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Switching diagram: 51
IEC Conventional free air thermal current Ith [A]: 20

Order code	7GN20R510U
Weight [g]	167
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	050X050X144
Volume [cm³]	360
Bar code [EAN13]	3850144062269
HS Code	85365080

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7GN20R510U