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Load Break Switches

TELERGON ZBK633P/E PLASTIC ENCLOSED LOAD BREAK SWITCH 63A 3P 18.5kW

Product Code: ZBK633P/E

The ZBK series is a plastic enclosed load break switch with a red and yellow handle. It is a 3P switch with an Ith rating of 63A. The AC21A rating at 415V is also 63A, while the AC23A rating at 690V is 18.5kW. This switch has an IP65 protection rating.

Technical Specifications

Backup fuse rating (A) 63
Degree of Protection - Handle IP65
Handle Material Plastic
IP Rating of Handle IP65
Operational Current AC-23A @ 415V (A) 45
Operational Current DC-21A @ 110V (A) 50
Rated Operational Current DC-21A 110V (A) 50
Rated Operational Power AC-23B 415V (A) 22
Rated Operational Power AC-23B 690V (A) 18.5
Voltage (V) 690
Brand TELERGON
Impulse Withstand Voltage (kV/1.2µS) 6
Cable Cross Section (mm²) 16
Conventional Free-Air Thermal Current - Ith (A) 63
Conventional Thermal Current - Ithe (A) 63
Degree of Protection IP65
Icw (kA/1s) - Short-time Withstand Current Rating 0.36
Inc-Rated Conditional Short Circuit Capacity (kA) 10
Included Handle
Includes Handle
No. of Poles 3P
Operational Current AC-21A @ 415V (A) 63
Poles 3P
Power Loss (W) 2.8/Pole
Rated Conditional Short-Circuit Current - Inc (kA) 10
Rated Impulse Withstand Voltage (kV) 6
Rated Insulation Voltage (V) 690
Rated Operational Current AC-21A 415V (A) 63
Rated Operational Current AC-23A 415V (A) 45
Rated Operational Voltage (V) 690
Rated Short-time Withstand Current - Icw (kA/1s) 0.36
Series ZBK

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