Product Overview.
KAMPA CVS MCCB is a direct replacement of imported counterparts, offering overload & short-circuit protection for low-voltage AC circuits. Higher cost performance than original imports. Compared with cheap Alibaba replicas, it adopts new materials & silver alloy contacts with better reliability and lower failure rate.
Product Features
Standard size, directly interchangeable with imported CVS160
Adjustable TMD thermal-magnetic trip; current-limiting arc extinction for stable breaking capacity
Flame-retardant PC housing, double insulation; various optional accessories available.
Technical Parameters
| Item No. | CVS100E | CVS100/160/250 | CVS400/630 | |
| Number of poles: | 3P | 3P | 4P | 3P |
| Rated current(A) In | 100A | 100A,160A,250A | 400A,630A | |
| Rated operating voltage(V) Ue | 50/60Hz, 440V | |||
| Rated insulation voltage(V) Ui | 690V | |||
| Rated impulse withstand voltage(kV) Uimp | 6kV | 8kV | ||
| Utilization category | A | |||
| Mechanical | 10000 | 8500 | 6000 | |
| Electrical | 2000 | 1500 | 1000 | |
| Dimensions(mm)W X H X D | 75 X 130 X 60 | 105 X 161 X 86 | 140 X 161 X 86 | 140 X 255 X 110 |
Application Scope
Low-voltage distribution systems: industrial panels, commercial power supply, PV equipment, construction machinery, overseas complete cabinets. Compatible with 50/60Hz global power grids.
Operating Conditions
Ambient Temp: -5℃~+40℃; Altitude ≤2000m; multi-angle mounting allowed; IP20, for cabinet installation.
Installation & Maintenance
Fix properly and wire standardly. Regularly check terminal temperature. Inspect contacts after short-circuit trip. Test trip function every 6 months.
Precautions
Do not disassemble when live. No unauthorized internal modification. Troubleshoot circuit before reclosing after trip. Extra enclosure recommended in humid environment.
Model Description
CVS
After-sales Service
12-month warranty. Fast delivery from stock. Full English technical support. Free replacement for quality defects.
-
How Do You Choose the Right MCB for Different Load Types?
Choosing the right MCB is one of those decisions that seems simple at first, but becomes much mo...
Date:2026-03-24 -
8 differences between DC contactors and AC contactors and precautions for use
In the automatic control system, there is a very important component, which is the contactor. It...
Date:2025-06-04
Why Is Short-Circuit Coordination Important in a Motor Starter?
A motor starter does more than switch a motor on and off. It must also protect the motor circuit when...
Date: 2026/06/11
Circuit Breaker vs Contactor vs Overload Relay: What Is the Difference?
Quick Answer A circuit breaker, contactor, and overload relay are often installed together in a motor control circuit, but they...
Date: 2026/06/09
What Wire Size Mistakes Can Make a 60 Amp Breaker Unsafe?
Quick Answer A 60 amp breaker wire size should not be selected from the breaker rating alone. Although 6 AWG copper...
Date: 2026/06/08
What Is the Purpose of a Miniature Circuit Breaker in a Low-Voltage Electrical System?
Quick Answer The main purpose of a Miniature Circuit Breaker is to protect low-voltage electrical wiring and circuits against excessive current...
Date: 2026/06/05
Why Is MCB Protection Not Only About Rated Current?
Quick Answer MCB protection is not only about rated current because an MCB must protect the whole circuit, not just...
Date: 2026/06/03