Reliable Protection with NATA DC MCB

DC circuit breaker MCB
AC MCB
NAT DC SPD

General Description

The DC MCB NATI 1C-125, NAT7Z-63, and NAT 40-PV DC SPD are advanced protection devices designed for DC applications. The NATI 1C-125 offers overload and short circuit protection with a 125A current rating, ensuring reliability in solar and other DC circuits. The NAT7Z-63 supports up to 63A and 1000V DC, making it ideal for photovoltaic and high-voltage DC systems. Enhancing circuit safety, the NAT 40-PV DC SPD protects sensitive equipment from voltage spikes and transient overvoltages with its high discharge capacity and compact design. Together, these devices deliver comprehensive solutions for safeguarding and optimizing DC electrical systems with efficiency.

DC circuit breaker MCB

Features

Technical Specifications

Test StandardIEC/EN 61643-11, GB/T18802.11
IEC Test ClassificationT2/Class II
Max. PV Voltage600VDC, 800VDC, | 1000VDC, 1200VDC
Nominal Discharge Current20kA
Maximum Discharge Current40kA
Poles2P or 3P
Voltage Protection Level (Up)≤ 3.2kV or ≤ 4.0kV
Response Time25ns
Connecting Cable4mm² (L-N); 6mm² (PE)
Installation Method:35mm DIN Rail
Switching Contact (Optional)
C+NC: Normally closed
Type of comman contactC: Common contact
Switching Capacity250V/0.1A, 125V/0.2A, 75V/0.5A
Operational Temperature Range:-40°C to +80°C