If the offer is based on another type than stipulated, the "technical inquiries" must be completely filled in upon submission of the offer in order to evaluate the equivalency of the offered make.

The switchgear must at least meet the following technical data:

                           Stipulation       Offer

Make:                      Siemens           _________

Rated insulation level:

Rated voltage Ur:          12 kV

Operating voltage UB:      O  7.2 kV

                           X  10 kV

                           O  10.5 kV

                           O  11 kV

Rated frequency fr:        X 50 Hz

                           O 60 Hz

Rated short-duration power-frequency withstand voltage Ud:

                           28 kV             _________

Rated lightning impulse withstand voltage Up:

                           75 kV             _________

Rated short-time withstand current Ik in kA/s:

                           O 16/1

                           X 21/1

                           O 16/3

                           O 21/3            _________

Rated continuous current of the busbar Ir:

                           630 A

Rated continuous currents Ir:

Ring-main feeders:         630 A             _________

Circuit-breaker feeders:   630 A             _________

Type of installation of the switchgear:

                           X Wall-standing arrangement

                           O Free-standing arrangement

Internal arc classification:

                           X yes

                           O no

For wall-standing arrangement:IAC A FL up to 21kA 1s

For free-standing arrangement:IAC A FLR up to 21kA 1s

Cable plugs:               O with

                           X without

Pressure absorber:         X yes

                           O no

Color:                RAL 7035 (light gray)  _________

Ambient air temperature    +35°C (24-h mean)

(including secondary equipment)

Selectable auxiliary and control voltages: 24/48/60/110/220 V DC, 110/230 V AC