Datasheet - GST1-AO

Product range			60 mm system
Subrange			NH fuse switch-disconnectors
Description			Including handguard at top and bottom Mounting without holes
Function			For surface mounting on busbars
			For fitting on mounting plate
Number of poles			3 pole
Connection			Screw M10. Top
Interval between busbar centres		mm	60
Rated operational current	I_e	A	250
Max. fuse
500 V		A	250
690 V		A	200
Frame size			NH1
For use with			20 x 5/10 25 x 5/10 30 x 5/10
For use with			Double T profile

General
Standards			IEC/EN 60947-3
Standards			IEC/EN 60947-3
Climatic proofing			Damp heat, constant, to IEC 60068-2-78 Damp heat, cyclic, to IEC 60068-2-30
Ambient temperature			-25 - +55
Altitude		m	Max. 2000
Interval between busbar centres		mm	60
Mounting position			Vertical or horizontal
Overvoltage category/pollution degree			III/3
Protection type			IP20 (Operating state) IP10 (Front cover open)
Direction of incoming supply			as required
Lifespan, mechanical	Operations		1700
Weight		kg	4.4
Contacts
Rated operational voltage	U_e	V AC	690
Rated operational voltage	U_e	V DC	440
Rated operational current	I_e	A	250
Rated frequency	f	Hz	40 - 60
Rated conditional short-circuit current AC	I_q	kA_eff	50
Rated conditional short-circuit current, DC	I_q	kA_rms	25
Utilization category AC22B
Rated making capacity		A	600
Rated breaking capacity		A	600
Utilization category DC21B
Rated making capacity		A	300
Rated breaking capacity		A	300
Lifespan, electrical	Operations		200
Electrical		Operations	200
Lifespan, mechanical	Operations		1700
Heat dissipation at I_th AC, without NH-SE		W	8.3
Heat dissipation at I_th DC, without NH-SE		W	5.5
Rated insulation voltage	U_i	V AC	750
Rated impulse withstand voltage	U_imp	kV	8
Rated insulation voltage	U_i	V	750
Max. fuse
Frame size			NH1
Max. rated current, gL/gG		A	250
Max. admissible heat dissipation NH-SE	P_v	W	23
Terminal capacity
Flange connection
Main cable	d	mm	M10
Cable lug		mm²	1 x 25 - 100
Flat busbar	max.	mm	30 x 10
Tightening torque		Nm	30 - 35
Box terminal
Stranded copper		mm²	25 … 150
Copper braid	Lamellenzahl x Breite x Dicke	mm	6 x 16 x 0.8
Tightening torque		Nm	9.5
Clamp-type terminal
Stranded aluminium/copper		mm²	70 … 150
Tightening torque		Nm	4.5
Double clamp-type terminal
Stranded aluminium/copper		mm²	2 x (70 … 95)
Tightening torque		Nm	4.5

Low-voltage industrial components (EG000017) / Fuse switch disconnector (EC001040)
Electric engineering, automation, process control engineering / Low-voltage switch technology / Off-load switch, circuit breaker, control switch / Fuse switch disconnector (ecl@ss8.1-27-37-14-01 [AKF058010])
Version as main switch		No
Version as safety switch		No
Max. rated operation voltage Ue AC	V	690
Rated permanent current Iu	A	250
Rated operation power at AC-23, 400 V	kW	100
Conditioned rated short-circuit current Iq	kA	50
Rated short-time withstand current lcw	kA	50
Suitable for fuses		NH1
Number of poles		3
With error protection		No
Type of electrical connection of main circuit		Screw connection
Suitable for ground mounting		No
Suitable for front mounting 4-hole		No
Suitable for busbar mounting		Yes
Type of control element		Rocker lever
Position control element		Front side
Motor drive optional		No
Motor drive integrated		No
Version as emergency stop installation		No
Degree of protection (IP), front side		IP20

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AWA4300-1526 Low-voltage h.b.c. fuse switch-cisconnector

AWA4300-1526 Low-voltage h.b.c. fuse switch-cisconnector

Technical data for design verification
Operating ambient temperature max.	°C	-25
Operating ambient temperature max.	°C	55