Commercial and industrial building solutions
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Keywords:
Commercial and industrial building solutions
Product Details
Low-voltage power distribution solution for commercial and industrial buildings
TKDW series Air Circuit Breaker (ACB)
TKDM series Moulded-case circuit-breaker (MCCB)
TKDQ series automatic transfer switch
TKDB series terminal protection device
TKDC3 series AC contactor
TKDR3 series thermal overload relay
TKDGQ series self-restoring over/under voltage protector
Overview
With the gradual improvement of people's living standards and the increasing demand for shopping, leisure, dining and other daily life, the construction area of commercial complexes in China has ranked first in the world, and will be accompanied by the strategic center returning to store experience and interactivity.
Shandong Taikai Electrical Appliance Co., Ltd. has been committed to high-quality, fully independent products and strong professional strength, continuously upgrading and optimizing the low-voltage power distribution solutions for commercial complex projects. The TKDW series Air Circuit Breaker (ACB), TKDM series Moulded-case circuit-breaker (MCCB), TKDB series Miniature Circuit Breaker (MCB), TKDQ series automatic transfer switch, TKDC3 series AC contactor, and TKDR3 series thermal overload relay fully meet the needs of various levels of power distribution protection systems in commercial complex projects. Taikai Electric Co., Ltd. is currently working closely with large commercial real estate companies such as Dayue City, Mixc, and Yintai Department Store to provide safe, reliable, environmentally friendly, and intelligent power protection for the power distribution systems of large commercial complex projects in China, ensuring that thousands of households can enjoy a happy and safe shopping experience.
Low-voltage electrical appliance product standards
● GB/T 14048.1 Low-voltage switchgear and controlgear Part 1: General rules
● GB/T 14048.2 Low-voltage switchgear and controlgear Part 2: Circuit-breaker
● GB/T 14048.3 Low-voltage switchgear and controlgear Part 3: Switches, isolators, switch-disconnectors and fuse-combination units
● GB/T 14048.4 Low-voltage switchgear and controlgear Part 4-1: Contactors and motor starters Electromechanical contactors and motor starters
● GB/T 14048.11 Low-voltage switchgear and controlgear Part 6-1: Multifunctional apparatus Changeover switch apparatus
● GB/T 10963.1 Electrical accessories Overcurrent protective circuit-breakers for household and similar purposes Part 1: AC circuit-breakers
● GB/T 16917.1 Household and similar purposes with overcurrent protection residual current operation circuit-breaker Part 1: General rules
● GB/T 16917.22 Household and similar purposes with overcurrent protection residual current operation circuit-breaker Part 22: Applicability of general rules to RCBOs whose operating function is related to the supply voltage
Stand working conditions
● Ambient temperature: -5℃~+40℃, limit ambient temperature -40℃~+70℃;
● Altitude of installation location: Not exceeding 4000m (derating is required for altitudes exceeding 2000m);
● When the highest temperature is +40℃, the relative humidity of the air does not exceed 50%. At lower temperatures, higher relative humidity is allowed, for example, 90% at 20℃. Special measures should be taken for occasional condensation due to temperature changes.
● Pollution degree: Grade 3
● Protection level: IP20
● Installation category: Class Ⅲ
● The vertical inclination of the installation does not exceed 5°
● Transportation and storage conditions: Not lower than -40℃, not higher than 70℃
Floor and public distribution box application solutions
Low-voltage power distribution room application solutions
Commercial and industrial building low-voltage power distribution application solutions
Application scenarios
TKDW series Air Circuit Breaker (ACB)
The TKDW series intelligent Air Circuit Breaker (ACB) is suitable for AC 50Hz, rated voltage up to AC800V, rated insulation voltage 1000V, rated working current 6300A and below low-voltage power distribution networks, used to distribute power and protect circuits and power equipment from overloads, undervoltages, short circuits, and single-phase grounding faults. The circuit breaker can be equipped with various intelligent controllers, with complete protection functions. The communication-type controller has a communication interface and can be connected to the fieldbus to realize the "four remote" functions, meeting the needs of control automation. Compliant standards: GB/T 14048.1 Low-voltage switchgear and controlgear Part 1: General rules GB/T 14048.2 Low-voltage switchgear and controlgear Part 2: Circuit-breaker |
Protection functions
Intelligent controller
● Basic functions Overload long delay Short circuit short delay Short circuit instantaneous Current measurement Fault status display Overload pre-warning Fault recording Functional test Self-diagnosis | ○ Optional functions Communication Function Current Unbalance Protection MCR and HSISC Load Monitoring Power Grid Parameter History Memory Power Measurement Power Factor Measurement Electric Energy Measurement Regional Interlocking Harmonic Measurement Contact Wear Indication ...... |
Overload Long Delay (Multiple Protection Curves Optional) | ||
I R | I R 1=(0.4~1) In +OFF | |
t R (s) | At 1.5I R | t R = 15~500,OFF |
Short Circuit Short Delay | ||
I sd | I sd =(1.5~15 )I n +OFF | |
t sd (s) | 0.1~1.0(step 0.1s) | |
Instantaneous | ||
I i | I i =(1.0~20 )I n +OFF | |
t i | ≤30ms | |
Ground Fault | ||
I g | I sd =(0.2~1.0 )I n +OFF | |
t g (s) | 0.1、0.2 、0.3、0.4 |
Product Selection
TKD 1 | W1-2000 2 | / | 3P 3 | / | 630A 4 | F 5 | T12 6 | M1 7 | X1 8 | F1 9 | Q1 10 | K1 11 |
Serial Number | Description | Model Meaning | |
1 | Enterprise code | TKD: Shandong Taikai Electrical Appliance Co., Ltd. | |
2 | Product Category | W1-2000、W1-3200、W1-4000、W2-1600、W2-6300 | |
3 | Pole number | 3P、4P | |
4 | Rated current | 200A~2000A、2000A~3200A、3200A~4000A、200A~1600A、4000A~6300A | |
5 | Mounting Method | F:Fixed type D:Drawer type | |
6 | Intelligent Controller | T1:AC230V、T2:AC400V、T3 :DC24V、T4:DC110V、T5 :DC220V | |
1 :L type、2 :M type、3 :2M type、4 :2H type、5 :3M type、6 :3H type | |||
7 | Electric Operation | M1:AC230V、M2:AC400V、M3 :DC110V、M4:DC220V | |
8 | Separately Excited | X1:AC230V、 X2:AC400V、 X3 :DC110V、 X4:DC220V | |
9 | Closure | F1:AC230V、 F2:AC400V、 F3 :DC110V、 F4:DC220V | |
10 | Undervoltage Tripper | Q1:AC230V、Q2:AC400V | 1:Instantaneous、2:Delayed |
11 | Additional Functions and Requirements | K1:One lock one key K7:Door interlock A5:Power module A6:Neutral line current transformer (see sample for details) |
TKDM series Moulded-case circuit-breaker (MCCB)
TKDM series Moulded-case circuit-breaker (MCCB) is suitable for AC 50Hz, rated insulation voltage 800V, rated voltage 690V and below, rated working current up to 800A circuits. It is generally used for power distribution, protecting lines and power equipment from damage caused by overloads, short circuits and undervoltage faults. It can also be used in infrequent starting places of motors. Compliant Standards: |
Protection functions
Thermal magnetic Circuit-breaker
Overload long delay protection + short circuit instantaneous protection
Electronic Circuit-breaker
Overload long-delay protection + short-circuit short-delay protection + short-circuit instantaneous protection + ground protection (optional)
Circuit breaker with residual current protection
Overload long-delay protection + short-circuit instantaneous protection + residual current protection
Overload long-delay | |
1.05I n | No action within 2h |
1.3I n | Action within 1h |
Short Circuit Short Delay | |
I sd ≤I<1.5I sd | Inverse time action, according to I 2 T sd =(1.5I sd ) 2 t sd, tolerance ±20% |
1.5I sd ≤I<I i | t sd ±20% action |
Short-circuit instantaneous | |
I≤0.80 Ii | No action within 0.2s |
I≥1.20 Ii | Action within 0.2s |
Residual current protection | |
0.5I Δn | No tripping |
1.0I Δn | Tripping within 0.2s (non-delayed), tripping within 0.4/1.0s (delayed) |
Product Selection
TKD 1 | M 2 | 1 3 | E 4 | — | 250 5 | M 6 | P 7 | / | 3 8 | 300 9 | 2 10 | 250A 11 | Front panel wiring 12 |
Serial Number | Description | Model Meaning |
1 | Enterprise code | TKD: Shandong Taikai Electrical Appliance Co., Ltd. |
2 | Product Category | M: Moulded-case circuit-breaker (MCCB) |
3 | Design SN | 1, 2, 3 |
4 | Tripping type | None: Thermal magnetic release E: Electronic release L: With residual current protection |
5 | frame size | 100 (125), 160, 250 (225), 400, 630, 800 |
6 | Breaking capacity | C: Economic type L: Standard type M: Higher breaking capacity type H: High breaking capacity type |
7 | Operation mode | None: Handle operation P: Electric operation mechanism Z: Rotary handle operation mechanism |
8 | Pole number | 3: 3P 4: 4P |
9 | Attachment code | 300 (see product selection manual and samples) |
10 | Application code | None: Power distribution protection 2: Motor protection |
11 | Rated current | 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 140A, 160A, 180A, 200A, 225A, 250A, 315A, 400A, 500A, 630A, 800A |
12 | Additional functional requirements | Please note special order requirements |
TKDQ series automatic transfer switch
The TKDQ series dual power automatic transfer switch is suitable for two-way power supply systems with a rated voltage of AC400V, a frequency of 50Hz, and a rated working current of up to 1600A. It acts as a switching device between the normal power supply and the backup power supply. When one power supply fails, it automatically completes the switching between the normal and backup power supplies to ensure the continuity of power supply to important equipment, and at the same time provides short-circuit and overload protection for the downstream load and cables. It is mainly used in industrial control, fire protection, banks and other important places where power failure is not allowed. Compliant Standards: |
Product structural characteristics
The TKDQ1 series dual power automatic transfer switch consists of TKDM series Moulded-case circuit-breaker (MCCB) (three-pole or four-pole) and its accessories, mechanical interlocking transmission mechanism, intelligent controller, etc. The product is available in two structures: integrated and split.
The TKDQ2 series dual power automatic transfer switch has an AC-33iB usage category and a CB-level electrical rating. The product structure consists of two TKDB1-63 Miniature Circuit Breaker (MCB) (three-pole or four-pole) and its accessories, mechanical interlocking transmission mechanism, intelligent controller, etc. The product structure is integrated.
The TKDQ3 series dual power automatic transfer switch adopts a mechatronics integrated design scheme, using reliable mechanical and electrical interlocks. The executive components use independent load isolators, which are safe and reliable. The product is available in two structures: integrated and split.
Product features:
There is a reliable mechanical interlock and electrical interlock protection between the two power supplies, eliminating the possibility of the normal power supply and the backup power supply being closed at the same time, making it safer and more reliable.
The controller circuit design adopts a power sampling and single-chip microcomputer control separation scheme, eliminating electromagnetic interference from the structural design.
It has three different control functions: self-starting and self-recovery, self-starting but not self-recovery, and grid-generator, meeting the needs of different places.
Good safety performance, high degree of automation, high reliability, and a service life of more than 8000 times.
Product Selection
TKD 1 | Q 2 | 3 3 | 250 4 | D 5 | / | 4P 6 | 250A 7 | Integrated 9 |
Serial Number | Description | Model Meaning |
1 | Enterprise code | TKD: Shandong Taikai Electrical Appliance Co., Ltd. |
2 | Product Category | Q: Automatic transfer switch |
3 | Design SN | 1, 2, 3 |
4 | frame size | TKDQ1: 63, 125, 250, 400, 630, 800 |
TKDQ2: 63 | ||
TKDQ3: 100, 160, 250, 630, 800, 1000, 1250, 1600 | ||
5 | Controller Model | Type C, Type D, Type E, Type F (TKDQ3 only) |
6 | Pole number | 2: 2P 3: 3P 4: 4P |
7 | Rated current | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 140A, 160A, 200A, 225A, 250A, 315A, 400A, 500A, 630A, 800A, 1000A, 1250A, 1600A |
8 | Structural Type | Integrated, Separate |
9 | Additional Function Type | Please note special order requirements |
TKDB series terminal protection device
![]() | The TKDB series Miniature Circuit Breaker (MCB) is suitable for low-voltage terminal power distribution control and isolation in residential, industrial, and construction fields. It protects power distribution lines and electrical equipment from overload and short circuits. It can be used for infrequent on-off operations and provides protection against ground leakage and direct or indirect contact electric shock. It can also prevent harm caused by live neutral lines during faults. Compliant Standards: |
Product Selection
TKD 1 | B 2 | 1 3 | L 3 | - | 63 5 | C 6 | 32 7 | / | 2P 8 | + | OF1 9 |
Serial Number | Description | Model Meaning |
1 | Enterprise code | TKD: Shandong Taikai Electrical Appliance Co., Ltd. |
2 | Product Category | B: Miniature Circuit Breaker (MCB) G: Miniature Isolator |
3 | Design SN | 1, 2 |
4 | Function Code | None indicates no leakage protection; L: with leakage protection |
5 | frame size | 32, 63, 125 |
6 | Operating Characteristics | Type B, Type C, Type D |
7 | Rated current | 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125 |
8 | Pole number | 1P, 1P+N, 2P, 3P, 3P+N, 4P |
9 | Accessories | OF1, OF2, SD1, SD2, MX+OF |
TKDR3 Series Thermal Relays
![]() | The TKDR3 series thermal overload relays are suitable for AC 50Hz or 60Hz, rated voltage up to AC690V, and rated working current up to 95A power distribution circuits. They are used for thermal overload protection, phase failure protection, and three-phase imbalance protection of AC motors. They can be combined with TKDC3 series AC contactors to form motor starters. Compliant Standards: |
Product Selection
TKD 1 | R 2 | 3 3 | - | 25 4 | 08 5 | F 6 |
Serial Number | Description | Model Meaning |
1 | Enterprise code | TKD: Shandong Taikai Electrical Appliance Co., Ltd. |
2 | Product Category | R: Thermal Overload Relay |
3 | Design SN | 3 |
4 | Specification Code | 25, 36, 93 |
5 | Thermal Element Code | 01, 02, 03, 04, 05...61, 63, 65 (see sample for details) |
6 | Mounting Method | Z: Combination mounting F: Screw separate mounting |
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SHANDONG TAIKAI ELECTRIC APPLIANCES CO., LTD.
Service Hotline:
86-538-8520889
Tel:
86-538-8520889(Sales and Marketing Support)
86-538-5366875(General Department, Human Resources Department)
Email:tkdgdq@163.com
Address: No.11 Leigushi East Street,Taishan District,TaiAnCity, Shandong Province

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