Terasaki - Tb2 MCCB 1000V AC 18Ka 3P 250A Electronic - VS400NE3250

Features

1000 VAC MCCB for power distribution and motor starting use in mines or tunnels

Specifications

Standards Compliance: IEC 60947-1, IEC 60947-2, JIS C 8201-2-1 Ann.1

Certifications: CE, RCM

Shipping Approvals: Contact NHP

Component Type MCCB: MCCB AC

Trip Unit Protection Type: Electronic LSI

Altitude, Operating (No Derating): 2000 m

Connection Mode: Cable Tunnel Clamp (Option), Extension Bar (Option), Front Connection, Rear Connection (Option)

Terminal Type: Bolt-Terminal

In, Nominal Current: 250 A

In, Rated Current at 30°C: 250 A @30°C

In, Rated Current at 40°C: 250 A @40°C

In, Rated Current at 45°C: 250 A @45°C

Ics, Rated Service Short-Circuit Breaking Capacity, 1000V AC: 13.5 kA

Ir, Thermal Trip Current, Max: 250 A

Ir, Thermal Trip Current, Min: 100 A

Icu, Rated Ultimate Short-Circuit Breaking Capacity, 1000V AC: 18 kA @1kVAC

Icu, Rated Ultimate Short-Circuit Breaking Capacity, 1100V AC: 12.5 kA @1.1kVAC

Dielectric Strength: 3500 V AC

Frame Size: 400 AF size

Rated Frequency: 50/60 Hz

Height: 260 mm

Relative Humidity, Max: 85 %RH

Number of Poles: 3

Poles: 3P

Switching Poles: 3P

Pollution Degree: 3

Operating Temperature, Max: 70 °C max

Operating Temperature, Min: -5 °C min

Storage Temperature, Max: 70 °C max

Storage Temperature, Min: -10 °C min

Tightening Torque, Max: 22.5 Nm

Tightening Torque, Min: 13.7 Nm

Thermal Trip Type: Fixed type

Utilisation Category: A

Vibration Acceleration (Max.): 19 m/s²

Vibration Duration (Max.): 12 min

Vibration Frequency, Operational (Max.): 16.7 Hz

Uimp, Impulse Withstand Voltage: 8 kV

Ui, Rated Insulation Voltage: 1100 V (rms)

Ui, Rated Insulation Voltage, AC: 1100 V AC

Ue, Rated Operational Voltage, AC, max: 1100 V AC

Weight: 5 kg

Width: 140 mm

Cable Cross Section (Max): 185 mm²

Cable Cross Section (Min): 35 mm²

Supply Voltage Type: AC

Electrical Life: 1000 cycles

Withdrawable: No. AC Power loss per pole at full rated current: 16.6 W

Depth (less toggle): 103 mm

Depth (toggle included): 145 mm

DIN rail mounting with optional adapter: No. General Accessories: Alarm Switch, Auxiliary Switches, External Panel Display, Handle Operators, Interpole Barriers, Locking Devices, Mechanical Interlock, Motor Operator, Shunt Trip, Terminal Covers, Under Voltage Trip

Ics, Rated Service Short-Circuit Breaking Capacity, 1100V AC: 15 kA

In, Rated Current at 35°C: 250 A @35°C

In, Rated Current at 50°C: 250 A @50°C

In, Rated Current at 55°C: 237 A @55°C

In, Rated Current at 60°C: 230 A @60°C

In, Rated Current at 65°C: 223 A @65°C

In, Rated Current at 70°C: 200 A @70°C

Mechanical Life: 7000 cycles

Model: VS

Rated temperature of trip unit: 50 °C

Suitable for Mounting on Chassis: No. Suitable for Panel Mounting: Yes

Trip Unit Rating: 250 A

Type of Power Supply: AC AC/DC

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