What is the function of this Siemens load feeder?
The Siemens load feeder is designed for direct start operations. It is fuseless and operates at AC 400V, SZ S00 7. . .10A, DC 24V. It is designed for rail-mounting and has a type of coordination 1, IQ = 150KA 1NO (Contactor).
What are the technical specifications of this load feeder?
This load feeder is part of the SIRIUS product brand and is a non-fused load feeder 3RA2. It has a size of S00 and has 3 poles for the main current circuit. It can be installed at a maximum height of 2000m over sea level. It has short circuit protection, overload protection, and phase disturbance recognition. It does not have a trip indicator but it does have an auxiliary switch. The display design is for switch setting. It has an insulation voltage of 690V with degree of pollution 3 and an impulse voltage resistance of 6kV. The protection class on the front is IP20 and it is finger-safe.
What are the connectable conductor cross-section types for this load feeder?
For the main contacts, the connectable conductor cross-section types are 2x (18 ... 14), 2x 12. For the auxiliary contacts, the types are 2x (20 ... 16), 2x (18 ... 14).
What is the tightening torque for the main and auxiliary contacts?
The tightening torque for both the main and auxiliary contacts is 0.8 … 1.2 N·m.
What are the UL/CSA rating data for this load feeder?
The yielded mechanical performance for three-phase squirrel cage motors at 200/208 V is 2hp, at 220/230 V is 3hp, at 460/480 V is 5hp, and at 575/600 V is 7.5hp. The full-load current (FLA) for a 3-phase motor at 480 V is 7.6A.