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- Surge Protective Device
- AC Contactor
- Circuit Breaker
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- Moulded Case Circuit Breaker
- DZ518 Motor Starter
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- CDSM1 Breaker
- CDSM1N Series Breaker
- Intelligent Universal Circuit Breakers/Air Circuit Breaker
- Residual Current Breakers Overcurrent
- Residual Current Device
- Fuse
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- Micro Switch
- Tact Switch
- Bell
- Isolation Switch
- Pilot Lamp
- Staircase Switch
- Push Button Switch
- SB1 Control and Signalling ∅ 22 mm(fixing)
- SB2-E Plastic Control and Signalling ∅ 22mm(fixing)
- SB2-B Metal Control and Signalling ∅ 22mm(fixing)
- SAL-B Control stations and enclosures
- SB3 Control and Signalling ∅ 25、30mm(fixing)
- SB4 Metal Control and Signalling ∅ 22mm
- SB5 Plastic Control and Signalling ∅ 22mm
- SAL-D, K Control stations and enclosures
- SB6 Plastic Control and Signalling ∅ 16mm(fixing)
- SB8 Control and Signalling ∅ 22mm(fixing)
- SB9 Control and Signalling ∅ 22mm(fixing)
- SB10 Control and Signalling ∅ 22mm(fixing)
- AD58 signal indicator series φ16、22、25、30mm(fixing)
- BA9s series bulb with integral LED
- AD58 & SM buzzer units
- SM buzzer series
- Limit Switch
- Time switch
- Rotary Switch
- Rocker switch
- Terminal
- Connect Box
- MG03 Series
- Water-proof Connection Box
- 6 Ways Distribution Boxes A06 Series
- 6 Ways Distribution Boxes B06 Series
- 10 Ways Distribution Boxes A10 Series
- 11 Ways Distribution Boxes B11 Series
- 14 Ways Distribution Boxes B14 Series
- 12 Ways Distribution Boxes A12 Series
- 24 Ways Distribution Boxes A24 Series
- Control stations and enclosure
- Plug & Socket
- Sensor
- Transformer & Meter
- Relay
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LW31B is mainly used for electric switch cabinet or three-phase asynchronous motor load starting speed change and as the main circuit and auxiliary circuit conversion, can be fully replaced by other conversion switch.
| Type | LW31B-16 | ||
| Rated heating current Ith | A | 16 | |
| Rated operating voltage Ue | V | 380~440 | 220~240 |
| Rated operating current Le | |||
| AC-21A | A | 16 | |
| AC-22A | A | 16 | |
| AC-15 | A | 3 | |
| DC-13 | A | 0.8 | |
| Rated control power P | z | ||
| AC-23A | KW | 5.5 | 3 |
| AC-2 | KW | 5.5 | 3 |
| AC-3 | KW | 4 | 2.2 |
| AC-4 | KW | 1 | 0.5 |
Mechanical life and electrical life
Mechanical life: 0.3 * 106, operating frequency is 120 times / hour.
Electrical life: 0.6 x 104 times, the operating frequency of 120 times / hour.
| Type | Product dimensions | Mounting dimensions | ||||||||||
| A | C | H | L | E | D1 | D2 | S | F | G | D3 | T | |
LW31B-16 |
□52 | Φ46.5 | 30max | 27+12n |
28 | Φ10 | Φ4 | 1.5 | 38 | Φ47 | Φ4.5 | 6 |