China OEM Micro Circuit Breaker Companies –Suspension type Polymeric Insulator – HolleyDetail:
Specifications
| Products Type |
| SUSPENSION TYPE POLYMERIC INSULATOR 13.8 kV | SUSPENSION TYPE POLYMERIC INSULATOR 22.9 kV |
| Features | Unit | Value | Value |
1 | Operating voltage (Phase – Phase) |
| ≤ 13.8 kV | ≥13.8 kV , ≤22.9 kV |
2 | Designation, model | FXB-24kV/70kN | FXB-36kV/70kN | |
3 | Standards | IEC 61109:2008, ANSI C29.13 | IEC 61109:2008, ANSI C29.13 | |
4 | Manufacturing Features | |||
| Core material | Fiberglass with Fiberglas Round Rod Bar ECR | Fiberglass with Fiberglas Round Rod Bar ECR | ||
| Insulated housing and sheds: | High consistency silicone rubber type HTV or LSR | High consistency silicone rubber type HTV or LSR | ||
| - Resistance to tracking and erosion of insulating material: Silicone rubber | Class 2A, 6kV (according to ASTM D2303 – IEC 60587) | Class 2A, 6kV (according to ASTM D2303 – IEC 60587) | ||
| Material of the coupling hardware | Forged steel | Forged steel | ||
| Galvanization of hardware | According to ASTM A153/A153M, average thickness of 86µm | According to ASTM A153/A153M, average thickness of 86µm | ||
| Types of coupling | Clevis – Tongue, | Clevis – Tongue | ||
| Key | Stainless steel | Stainless steel | ||
5 | Electrical Values: | |||
| Operation voltage phase-phase | kV | 10 kV, 13.2 kV to 13.8 kV | 13.8 kV to 22.9 kV | |
| Maximum voltage for the insulator Um | kV(r.m.s) | 24 | 36 | |
| Nominal frequency | Hz | 60 | 60 | |
| Maximum diameter of the insulating part | mm | 98 | 98 | |
| Minimum creepage distance | mm | 645 | 945 | |
| Minimum arcing distance | mm | 210 | 285 | |
| Number of sheds | No. | 6 | 9 | |
| Sheds diameter | mm | 98 | 98 | |
| Passage of the sheds | mm | 35 | 35 | |
| Sheds tilt angle | ° | 3 | 3 | |
| Withstand voltage at power frequency: | ||||
| - Wet | kV | ≥100 | ≥110 | |
| - Dry | kV | ≥130 | ≥140 | |
| Impulse withstand voltage 1.2/50us: | kV | |||
| - Positive | kV | ≥190 | ≥240 | |
| Low Frequency Test Voltage (RMS to Earth) | kV | 20 | 30 | |
| RIV Maximum at 1000 KHz | µV | 10 | 10 | |
6 | Mechanical values: | |||
| Specified Maximum Mechanical Load (SML) | kN | 70 | 70 | |
| Specified Mechanical Test Load (RTL) | kN | 35 | 35 | |
| Torque | N-m | 47 | 47 | |
| Core diameter | mm | 16 | 16 | |
| Weight | kg | 1.4 | 1.9 | |
7 | Design Tests | According to clause 10 IEC 61109 | According to clause 10 IEC 61109 | |
8 | Type Tests | According to clause 11 IEC 61109 | According to clause 11 IEC 61109 | |
9 | Sampling tests | According to clause 12 IEC 61109 | According to clause 12 IEC 61109 | |
10 | Individual tests | According to clause 13 IEC 61109 | According to clause 13 IEC 61109 | |
11 | UV resistance tests | According to ASTM G154 and ASTM G155 or ISO 4892-3 and ISO 16474-3 | According to ASTM G154 and ASTM G155 or ISO 4892-3 and ISO 16474-3 |
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