STM6E Electronic MCCB
STM6E electronic MCCB with adjustable 0.4–1.0 In current settings, 160A to 2000A frames, 3P/4P configurations and Icu up to 100kA at AC400V.
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STM6E electronic MCCB with adjustable 0.4–1.0 In current settings, 160A to 2000A frames, 3P/4P configurations and Icu up to 100kA at AC400V.
Overview
The STM6E uses an electronic trip unit with adjustable current settings for AC400V and AC690V distribution. Frame, pole, breaking-capacity and short-time-withstand options vary across the listed range.
Key Features
- Electronic trip unit with 0.4–1.0 In current adjustment
- 32A to 2000A across 160A to 2000A frames
- 3P / 4P construction for AC400V / AC690V
- Icu 25–100kA at AC400V
STM6E Electronic MCCB
| Parameter | 160 | 250 | 400/630 | 800 | 1250 | 2000 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S | M | H | S | M | H | M | H | M | H | M | H | M | H | |
| Frame size In (A) | 32A (0.4-1.0In) / 63A (0.4-1.0In) / 100A (0.4-1.0In) / 125A (0.4-1.0In) / 160A (0.4-1.0In) | 125A (0.4-1.0In) / 250A (0.4-1.0In) | 400A (0.4-1.0In) / 630A (0.4-1.0In) | 630A (0.4-1.0In) / 800A (0.4-1.0In) | 1000A (0.4-1.0In) / 1250A (0.4-1.0In) | 1250A (0.4-1.0In) / 1600A (0.4-1.0In) / 2000A (0.4-1.0In) | ||||||||
| Number of poles | 3P, 4P | |||||||||||||
| Rated insulation voltage Ui (V) | 1000V | |||||||||||||
| Rated impulse withstand voltage Uimp (kV) | 8kV | |||||||||||||
| Rated operational voltage Ue (V) | AC400V, AC690V | |||||||||||||
| Rated short-time withstand current Icw (kA/1s) | / | 10 | 10 | 20 | 20 | 25 | ||||||||
| Breaking capacity code | S | M | H | S | M | H | M | H | M | H | M | H | M | H |
| Rated service short-circuit breaking capacity Ics (kA) AC400V | 18 | 35 | 65 | 18 | 35 | 65 | 35 | 70 | 50 | 50 | 50 | 50 | 50 | 85 |
| Rated service short-circuit breaking capacity Ics (kA) AC690V | 4 | 8 | 8 | 4 | 8 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 20 | 20 |
| Rated ultimate short-circuit breaking capacity Icu (kA) AC400V | 25 | 50 | 65 | 25 | 50 | 65 | 50 | 70 | 65 | 85 | 65 | 85 | 50 | 100 |
| Rated ultimate short-circuit breaking capacity Icu (kA) AC690V | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 20 | 20 | 20 | 20 | 20 | 20 |
| Mechanical life (operations) | 8500 | 8500 | 4000 | 2500 | 2500 | 2500 | ||||||||
| Electrical life (operations) | 1500 | 1500 | 1000 | 500 | 500 | 500 | ||||||||
| Dimensions 3P L*W*H*H(handle) (mm) | 155*90*68(82)*94(108) | 165*105*68(88)*96(116) | 257*140*103*152 | 275.5*210*103*152 | 275.5*210*103*152 | 340*210*141*244 | ||||||||
| Dimensions 4P L*W*H*H(handle) (mm) | 155*120*68(82)*94(108) | 165*140*68(88)*96(116) | 257*184*103*152 | 275.5*280*103*152 | 275.5*280*103*152 | 340*280*141*244 | ||||||||
Typical Applications
- Distribution boards
- Motor protection
- Building installations
Frequently Asked Questions
What current adjustment does the STM6E provide?
The electronic trip setting is adjustable from 0.4 to 1.0 In. Across the available frames, rated-current coverage runs from 32A to 2000A.
Which voltages and pole configurations are available?
The STM6E is specified for AC400V and AC690V systems in 3P and 4P configurations, with Icu options from 25kA to 100kA at AC400V.
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