Load switches of the pv3-10/630 series (I, I) in rated voltage networks of 10 kv and 3 phase alternating current of 50 hz shall be used for separation, circuit activation and grounding at unladen voltage.
| Type | Electric tok (electric tok) Size of the room |
Size of the room Installation and installation |
|||||||||||
| 420/630A | |||||||||||||
| A | B | C | D | ||||||||||
| PB3-10DI | 890 | 660 | 450 | 125 | 700 * 30 | ||||||||
| PB3-10D Ⅱ | 890 | 660 | 450 | 125 | |||||||||
| PB3-10DIC | 890 | 660 | 450 | 240 | |||||||||
| PB3-10D ⅡC | 890 | 660 | 450 | 240 | |||||||||
| PB3-10SDI | 920 | 780 | 450 | 125 | |||||||||
| PB3-10SD ⅡC | 920 | 780 | 450 | 240 | |||||||||
| Type | Nominal value of the smmNarnkene | The highest Work stresskv | Nominal sum of electric tokha | 45 thermostable power supply, effective value ka | Source of dynamic stabilization of PIC ka | Level of isolation（Electrical shock frequency pressure v） | |
| PB3-10D(I、II、C)/630-20 | 10 | 11.5 | 630 | 20 | 50 | 75 | 42 |
| PB3-10SD (I、II、C)/630-20 | |||||||
A. After opening the box, check the completeness of the spare parts and technical details of the new products according to the packing list and check whether the new products are damaged during transport and storage:
B. Cleanse the surface of the new product from dirt, thoroughly wipe the insulation and the surface of the ground on the lower frame;
C. a technical vaseline shall be applied to the conductive part and fingers shall be lubricated on the drive part
A. this switch can be mounted on a wall, ceiling or metal structure, can be installed vertically, lying, inclined;
B. The height of the disconnect switches is normally 12.5 m to 6 m; The installation of the manual mechanism is 1-1.3 m.
C. The isolation switch shall be so positioned that the charged part of the switch isolated from the ground at a distance of not less than 125 mm regardless of position
Height above sea level shall not exceed 1,000 metres; The ambient temperature shall not exceed + 40 c and not lessthan 30 c: the relative temperature shall not exceed 90 per cent (+ 25 c); Places free from fires, explosions, corrosion of metals,toxic gases and isoelectric dust which destroy insulation;
The load switch is a three-pole type of common chassis consisting of the base, the axis ofrotation, the pillar, the insulatingcontact knife, the ground contact knife, the contact and coupling structure and other components that accept thethree-phase parallel; The circumpolar assembly, the axis ofthe main contact knife and the ground contact knife arecontrolled by the coupling mechanism through hip rotation (adjustable arbitrary Angle collected by the user in white) andthe cs6-l mechanism, so that the switch has the following three operating positions:
A. closing ofthe disconnect knife, grounding of the contact knife connector (breaking distance greater than 125 mm)
B. separate the contact closure, the ground contact connector (fracture opening distance greater than 150 mm) (fractureopening distance greater than 125 mm); (i.e., intermediate position.)
C. a closing disconnect contact knife (the openingdistance is more than 160 mm) with a ground contact knife.
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