Overview

KYN61-40.5(Z) armored removable AC metal closed switchgear (hereinafter referred to as switchgear) is a three-phase AC 50 Hz, rated voltage 40.5 kV indoor complete distribution equipment. As a power plant, substation and industrial and mining enterprises to accept and distribute electricity. It can also be used for frequent operation.
This switchgear meets GB/T11022-1999.GB3906-1991 and DL404-1997 standards.

Model meaning

Normal operating conditions

♦ Ambient air temperature:maximum temperature + 40℃, minimum temperature -15 ℃.
♦ Relative humidity: daily average relative humidity :95%,
♦ Average daily water vapor pressure shall not exceed 2.2 kPa;
♦ Monthly average relative humidity:≤ 90%,
♦ Average monthly water vapour pressure shall not exceed 1.8 kPa;
♦ Altitude: below 2000 m.
♦ Seismic intensity: no more than 8 degrees.
♦ Surrounding air should be free from corrosive or combustible gases, water vapor and other obvious pollution.
♦ No violent vibration place.
♦ In excess of the normal conditions prescribed by the GB3906, the user and the manufacturer shall consult

Main features

♦ Cabinet structure adopts assembly type, circuit breaker adopts handcart floor type structure;
♦ It is equipped with a new type of composite insulated vacuum circuit breaker, and has the characteristics of good interchangeability and simple replacement.
♦ The handcart frame is equipped with a screw nut pushing mechanism, which can easily move the handcart and prevent the pushing structure from being damaged by misoperation;
♦ All operations can be carried out under closed cabinet doors;
♦ Interlocking between the main switch, handcart and switchgear door adopts mandatory mechanical locking mode to meet the “five prevention” function;
♦ Cable room has ample space to connect multiple cables;
♦ Fast grounding switch for grounding and circuit short circuit;
♦ Protection level of the shell IP3X, the hand-car compartment door-stripping state, IP2X; protection level
♦ Products meet the GB3906-199K DL404-1997 and refer to the adoption of international IEC-298 standards.

Main technical parameters of vacuum circuit breaker

Main technical parameters of vacuum switchgear

Shape dimensions

Main technical parameters of spring operating mechanism

Switchgear installation

a. Height of electrical room: ≥ 4500mm;
b. Distance from the wall behind the cabinet: ≥ 1500mm;
c. The flatness of the basic structure: ≤ 1mm / m;
d. The part of the foundation embedded channel steel above the ground shall not exceed 3mm;
e. Can be fixed on the foundation with bolts or welding;
f. The weight of the switch cabinet is about 1800kg;
g. The width of the switchgear operation corridor (single row): ≥ 3000mm; Double-sided (face-to-face) ≥ 4000mm.

Equipment structure diagram