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3VA2140-8KQ36-0AA0 Siemens
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Product Details
Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.
Product Overview
The Siemens 3VA2140-8KQ36-0AA0 is a SENTRON 3-pole molded-case circuit breaker, part of the 3VA2 IEC Frame 160 series. Rated for distribution protection with L-class breaking capacity (Icu 150 kA @ 415 V), it features ETU860 overcurrent release and LSIG protection. Suitable for branch circuit and distribution panel applications in industrial power systems, it provides overload, short-circuit, and optional neutral and ground-fault protection. It supports measurement and communication functions and weighs approximately 2.5 kg.
Best Suited For
- Distribution panels in industrial power networks
- Branch circuit protection in three-phase systems
- Applications requiring LSIG selective protection
- Installations needing optional neutral or ground-fault monitoring
- Systems with communication or measurement integration
Poles
3
Rated current
40 A
Breaking capacity (Icu @ 415 V)
150 kA
Frame size
IEC Frame 160
Weight
2.5 kg
Technical Specifications
I/O & Electrical
Rated current (40 °C)
40 A
Breaking capacity (Icu) @ 415 V
150 kA
Breaking capacity (Icu) @ 240 V
200 kA
Overload protection range (Ir)
16 A…40 A
Short-circuit protection range (Isd)
0.6…10 × In
Instantaneous trip (Ii)
1.5…12 × In
Ground-fault protection (Ig)
0.4…1 × In, tg 0.05-0.8 s
Communication & Power
Communication function
Yes
Measurement function
Yes
Physical & Environmental
Insulation voltage
800 V
Rated operating voltage
690 V AC
Mechanical service life
25 000 cycles
Electrical endurance (AC-1 @ 380/415 V)
14 000 cycles
Electrical endurance (AC-1 @ 690 V)
9 800 cycles
Power loss (max)
1.2 W
Power loss (per pole, hot)
0.4 W
Weight
2.5 kg
