RBK 1 pro – horizontal fuse switch disconnector

RBK 1 pro

Horizontal fuse switch disconnector

Thermoplastic parts of RBK pro fuse switch disconnectors
are made of fibre glass strengthened polyamide with halogen
Have highest possible flammability class – V0
Arc chambers with steel deionization plates over top contacts
Silver plated contacts providing low power loss

Parametr			RBK 1 pro		RBK 1 pro-S
Rated thermal current I_th		A	250		250
Rated voltage U_n		V	690		690
Utilization category		-	AC-23B	DC-22B	AC-23B	AC-22B	DC-22B
Rated switching current I_e		A	250	250	250	250	250
Rated switching voltage U_e		V	690	250	400	690	250
Rated short circuit making current	690 V	kA	80	25/250 V	80		25/250 V
	500 V		-		-
	400 V		100		100
Rated short circuit withstand current	690 V	kA	80	25/250 V	80		25/250 V
	500 V		-		-
	400 V		100		100
Rated insulation voltage U_i		V	1000		1000
Rated impulse withstand voltage U_imp		kV	8
Rated frequency		Hz	50-60	-	50-60		-
Mechanical durability		c.p.	1600		1600
Electrical durability		c.ł.	200		200
IP degree of protection		-	20
Weight		kg	~2		~2,5
Size of fuse links		-	1