20kV-2000pF 30kV-1000pF 40kV-150pF High Voltage Doorknob Capacitor and Doorhandle Capacitor for Lightning Arresters

Name: 20kV-2000pF 30kV-1000pF 40kV-150pF High Voltage Doorknob Capacitor and Doorhandle Capacitor for Lightning Arresters
Brand: XIAN XIWUER ELECTRONIC AND INFO. CO., LTD

Price Negotiable

Price: Negotiable

MOQ: 1pcs

Delivery Time: 5-7days

Brand: XIWUER

Product Description

High Voltage Doorknob Capacitors: Selection Guide

Comprehensive guide for choosing the right doorhandle capacitor for your lightning arrester system.

High Voltage Doorknob Capacitor product photo

Technical Specifications

No.	Specification	Dissipation	Withstanding voltage	Insulation resistance	Dimension(mm)
1	20kV-2000pF	≦0.0040	1.5Ur_● 1min	≧1.0×105MΩ	D	H	L	D	M
2	20kV-10000pF				45	19	23	12	5
3	20kV-18000pF				65	15	19	12	5
4	30kV-1000pF				80	17	25	12	5
5	30kV-2700pF				45	24	32	12	4
6	30kV-12000pF				60	20	28	12	4
7	40kV-150pF				20	33	41	8	4
8	40kV-500pF				28	33	41	8	4
9	40kV-7500pF				80	24	29	12	6
10	40kV-10000pF				80	22	26	16	5
11	50kV-1000pF				50	30	34	12	4
12	50kV-1000pF				32	27	31	16	5
13	50kV-5600pF				80	31	35	16	5
14	60kV-1500pF				50	31	34	12	5
15	60kV-3000pF				65	32	35	16	5
16	100kV-500pF				50	54	58	12	5
17	100kV-2000pF				51	32	35	16	5
18	Insulator type 100kV-1500pF				68	36	40	16	5
19	150kV-820pF				65	95	100	12	5
20	200kV-600pF				50	90	94	16	5

Selection Criteria for Lightning Arrester Capacitors

Improper capacitor selection can compromise protection system integrity. Consider these critical parameters:

Rated voltage: Should exceed system's maximum continuous operating voltage (Uc) by 20% (e.g., 520V+ for 480V systems)
Capacitance Value & Pulse Withstand: Select based on required discharge energy (100pF-0.1µF range) with capacity for nominal discharge current (20kA/8/20µs)
Low Equivalent Series Inductance (ESL): ≤20nH to prevent pulse response delays
Environmental Adaptability: IP68 sealing for coastal areas, altitude compensation (1% Uc reduction per 100m above 2000m), vibration-resistant designs for wind turbines