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SIGMA ELEKTRIK
MOULDED CASE CIRCUIT BREAKERS

MOULDED CASE CIRCUIT BREAKERS

Product catalog summary

1. Quality Control and Testing Procedures

The document outlines rigorous testing protocols including instantaneous tripping tests for MCBs and MCCBs, glow wire tests, contact resistance, isolation, overload, coil operation, and accuracy tests for current transformers and panel meters. These tests ensure product safety, reliability, and compliance with international standards.

2. Company Profile and Product Range

Sigma Elektrik, a leading Turkish manufacturer, specializes in electrical protection and control gear such as MCCBs, MCBs, RCCBs, AC contactors, and instrument transformers. Their products cater to motor control, non-motor load control, and protection applications.

3. Standards and Approvals

All products comply with ISO 9001:2008 quality management standards and relevant IEC and national electrical safety and performance standards, ensuring global conformity and reliability.

4. Product Specifications and Series

The document details several product series:

ECOWHITE Series MCCBs: 3 and 4 pole versions for general protection with defined rated currents and breaking capacities.
BLUEPOWER Series MCCBs: Designed for industrial use with higher breaking capacities and advanced features.
Earth Leakage Circuit Breakers (ELCBs): Provide residual current protection with specified rated residual currents and trip times.

5. Technical Parameters

Rated Current: Specified at 40°C, ranging from low amperage (e.g., 10 A) up to 1600 A depending on model.
Number of Poles: Typically 3 or 4 poles.
Rated Voltage: Generally 400-415 V AC.
Breaking Capacity (Icu and Ics): Ultimate breaking capacities range from 25 kA to 70 kA, with corresponding service breaking capacities.
Electrical Life: Typically 10,000 operations or more.
Mechanical Life: Typically 20,000 to 30,000 operations depending on series.
Temperature Ratings: Operating and storage temperature ranges are specified to ensure reliability under environmental stresses.

6. Design and Construction

Devices feature compact dimensions for easy installation and robust construction to withstand electrical and mechanical stresses. Accessories include shunt trips, undervoltage releases, auxiliary and alarm contacts, motor operators, rotary handles, and extension copper parts.

7. Installation and Application Guidelines

Detailed instructions for mounting and integration into electrical panels.
Consideration of temperature derating based on ambient conditions to maintain performance.
Protection properties include current limitation and tripping curves to coordinate with system requirements.

8. Operational Mechanisms and Components

Extension Copper Terminals: Front-face terminals designed for reliable electrical and mechanical connection.
Contacts: Fixed and moving contacts essential for circuit breaker operation.
Trip Mechanism: Combines thermal bimetal strips and U-shaped electromagnets for overload and short-circuit protection.
Shunt Trip and Release: Enables remote tripping via an additional coil.
Manual Control: Handle and mechanism for manual breaker operation.

9. Thermal Adjustment and Ambient Temperature Effects

The document emphasizes the importance of adjusting rated current based on ambient temperature (0°C to 60°C) to prevent nuisance tripping or failure to trip. Derating factors are provided to maintain correct operation under varying environmental conditions.

10. Testing and Performance Verification

Test results confirm compliance with manufacturing standards and operational safety. Standardized testing procedures validate breaker performance under various electrical and mechanical stresses.

11. Dimensions and Types

MCCB physical dimensions (labeled A, B, C in millimeters) are provided for different models to assist in installation planning.

12. Tripping Curves and Protection Characteristics

Detailed time-current tripping curves illustrate the relationship between current multiples and trip times, including:

Long-time pickup and delay for overload protection.
Short-time pickup and delay for short-circuit protection.
Instantaneous pickup for immediate fault clearing.

Curves are provided for various MCCB models and configurations, including electronic trip units with optional short-time delay.

13. Accessories and Optional Components

Shunt trip releases available in multiple voltage options (e.g., 24 V DC, 230 V AC).
Auxiliary contacts for signaling breaker status.
Alarm contacts for remote indication.
Compatible busbar accessories with specified dimensions and order codes.
Toroidal transformers for residual current detection.

14. Ordering Information and Model Codes

Extensive tables list MCCB types, poles, rated currents, thermal adjustment currents, breaking capacities, and order codes to facilitate accurate product selection and procurement.

15. Critical Notes and Best Practices

Compliance with international standards is essential for safety and reliability.
Proper selection based on rated current, breaking capacity, and application is critical.
Accessories enhance functionality and adaptability to installation needs.
Temperature derating and installation guidelines must be strictly followed.
Professional installation and adherence to safety warnings are emphasized.

16. Visual Data and Graphs

Graphical tripping curves provide visual insight into breaker behavior under fault conditions, showing upper and lower limits for various models and frames, aiding in protection coordination.

Conclusion

This comprehensive technical document serves as a vital reference for engineers and technicians involved in specifying, selecting, installing, and maintaining MCCBs and related electrical protection devices. It covers essential electrical ratings, mechanical and thermal properties, operational mechanisms, accessory options, and safety considerations to ensure reliable and safe electrical distribution system protection.

Catalog excerpts

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028/'(' &$6( &,5&8,7 %5($.(5 0&&% Kt,/d ^ĞƌŝĞƐ ϯ WŽůĞƐ Moulded Case Circuit Breakers Type <ϭϲϬ Standard d^ E ϲϬϵϰϳͲϮ Rated Current (at 40° C) Ϯϱ͕ ϯϮ͕ ϰϬ͕ ϱϬ͕ ϲϯ͕ ϴϬ͕ ϭϬϬ͕ ϭϮϱ͕ ϭϲϬ A No Of Pole ϯ Rated Voltage hĞ s AC ϰϭϱ ZĂƚĞĚ /ŶƐƵůĂƟŽŶ sŽůƚĂŐĞ hŝ s AC ϲϵϬ s AC ϯϬϬϬ Ŭs AC ϴ ϲϵϬ s ϴ Power Frequency Withstand Test At 1 Minute Rated Impulse Withstand Voltage hŝŵƉ ϱϬϬ s ZĂƚĞĚ hůƟŵĂƚĞ ^ŚŽƌƚͲŝƌĐƵŝƚ Breaking Capacity Icu ϵ ϰϰϬ s 22 kA 415 V AC 36 ϮϰϬ s ϱϬ ϮϱϬ s ;ϯ ƉŽůĞƐ ƐĞƌŝĂůͿ ϲϵϬ s ϯϬ ϱ ϱϬϬ s ZĂƚĞĚ ^ĞƌǀŝĐĞ ^ŚŽƌƚͲŝƌĐƵŝƚ Breaking Capacity Ics ϵ ϰϰϬ s 22 kA 415 V AC 18 ϮϰϬ s ϱϬ ϮϱϬ s ;ϯ ƉŽůĞƐ ƐĞƌŝĂůͿ...

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SIBMA MOULDED CASE

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028/'(' &$6( &,5&8,7 %5($.(5 0&&% >hWKtZ ^ĞƌŝĞƐ Moulded Case Circuit Breakers Type ϭϲϬ , ϭϲϬ , ϮϱϬ D ϮϱϬ Standard d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ Ϯϱ͕ ϯϮ͕ ϰϬ͕ ϱϬ͕ ϲϯ͕ ϴϬ͕ ϭϬϬ͕ ϭϮϱ͕ ϭϲϬ͕ ϮϬϬ ϮϬ͕Ϯϱ͕ϯϮ͕ϰϬ͕ϱϬ͕ϲϯ͕ϴϬ͕ Ϯϱ͕ ϯϮ͕ ϰϬ͕ ϱϬ͕ ϲϯ͕ ϴϬ͕ ϭϬϬ͕ ϭϮϱ͕ ϭϲϬ ϭϬϬ͕ ϭϮϱ͕ ϭϲϬ͕ ϮϬϬ͕ ϮϱϬ ϭϬϬ͕ ϭϮϱ͕ ϭϲϬ͕ ϮϬϬ͕ ϮϱϬ Rated Current (at 40° C) A No Of Pole ϭϬϬ͕ϭϮϱ͕ϭϲϬ ϭ ϯ ϯ ϯ ϯ Rated Voltage hĞ s AC ϮϰϬ ϰϭϱ ϰϭϱ ϰϭϱ ϰϭϱ ZĂƚĞĚ /ŶƐƵůĂƟŽŶ sŽůƚĂŐĞ hŝ s AC ϳϱϬ ϲϵϬ ϳϱϬ ϳϱϬ ϳϱϬ s AC ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ Ŭs AC ϴ ϲ ϴ ϴ ϴ Power Frequency Withstand Test At 1 Minute Rated Impulse Withstand Voltage...

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028/'(' &$6( &,5&8,7 %5($.(5 0&&% ^ ϮϱϬ , ϰϬϬ D ϰϬϬ ^ ϰϬϬ , ϲϯϬ D ϲϯϬ ^ ϲϯϬ hϭϲϬϬ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ d^ E ϲϬϵϰϳͲϮ ϭϬϬ͕ ϭϮϱ͕ ϭϲϬ͕ ϮϬϬ͕ ϮϱϬ ϯϭϱ͕ ϰϬϬ ϯϭϱ͕ ϰϬϬ ϯϭϱ͕ ϰϬϬ ϱϬϬ͕ ϲϯϬ ϱϬϬ͕ ϲϯϬ ϱϬϬ͕ ϲϯϬ ϭϬϬϬ͕ ϭϮϱϬ͕ ϭϲϬϬ ϯ ϯ ϯ ϰϭϱ ϰϭϱ ϰϭϱ ϰϭϱ ϯ ϯ ϯ ϯ ϰϭϱ ϰϭϱ ϰϭϱ ϰϭϱ ϳϱϬ ϳϱϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϯϬϬϬ ϴ ϴ ϴ ϴ ϴ ϴ ϴ ϴ ϭϮ ϭϮ ϭϳ 22 ϭϮ ϭϳ 22 Ϯϱ 22 ϮϬ Ϯϱ ϯϱ ϮϬ Ϯϱ ϯϱ ϯϱ ϰϴ Ϯϱ ϯϱ ϰϮ Ϯϱ ϯϱ ϰϮ ϱϬ 70 36 50 70 36 50 70 70 ϴϬ ϲϱ ϴϬ ϭϬϬ ϲϱ ϴϬ ϭϬϬ ϴϱ ϯϬ ϯϬ ϯϬ ϯϬ ϰϬ ϯϬ ϯϬ - ϱ ϭϮ ϭϳ 22 ϭϮ ϭϳ 22 Ϯϱ ϵ ϮϬ Ϯϱ ϯϱ ϮϬ Ϯϱ ϯϱ ϯϱ 22 Ϯϱ ϯϱ ϰϮ Ϯϱ ϯϱ...

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0&&% 028/'(' &$6( &,5&8,7 %5($.(5 ĂƌƚŚ >ĞĂŬĂŐĞ ŝƌĐƵŝƚ ƌĞĂŬĞƌƐ Type ϭϬϬ ϮϮϱ ϰϬϬ ϲϯϬ No Of Pole ϰ ϰ ϰ ϰ Rated Current (at 40° C) A ϰϬ͕ ϱϬ͕ ϲϯ͕ ϴϬ͕ ϭϬϬ ϭϮϱ͕ ϭϲϬ͕ ϮϬϬ ϮϱϬ͕ ϯϭϱ͕ ϰϬϬ ϱϬϬ͕ ϲϯϬ Rated Residual Current (at 40° C) mA ϭϬϬͲϮϬϬͲϯϬϬͲϱϬϬ ϭϬϬͲϮϬϬͲϯϬϬͲϱϬϬ ϭϬϬͲϮϬϬͲϯϬϬͲϱϬϬ ϭϬϬͲϮϬϬͲϯϬϬͲϱϬϬ ĚũƵƐƚĂďůĞ dƌŝƉƉŝŶŐ ĞůĂǇŝŶŐ dŝŵĞ ms ϭϬϬͲϯϬϬͲϱϬϬͲϭϬϬϬ ϭϬϬͲϯϬϬͲϱϬϬͲϭϬϬϬ ϭϬϬͲϯϬϬͲϱϬϬͲϭϬϬϬ ϭϬϬͲϯϬϬͲϱϬϬͲϭϬϬϬ dƌŝƉƉŝŶŐ dŝŵĞ tŝƚŚŽƵƚ ĞůĂǇ ms фϮϬϬ фϮϬϬ фϮϬϬ фϮϬϬ ZĂƚĞĚ KƉĞƌĂƟŽŶĂů sŽůƚĂŐĞ hĞ s AC ϰϭϱ ϰϭϱ ϰϭϱ ϰϭϱ ZĂƚĞĚ /ŶƐƵůĂƟŽŶ sŽůƚĂŐĞ hŝ s AC ϲϵϬ ϲϵϬ ϲϵϬ ϲϵϬ Rated Impulse Withstand Voltage hŝŵƉ Ŭs AC ϴ ϴ ϴ ϴ ZĂƚĞĚ hůƟŵĂƚĞ...

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MOULDED CASE CIRCUIT BREAKER

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0&&% 028/'(' &$6( &,5&8,7 %5($.(5 ^/'E E ^dZhdhZ ŽŶŶĞĐƟŽŶ Terminals D &ƌĂŵĞ ƌĐ ǆƟŶŐƵŝƐŚĞƌ D ŽǀĞƌ Ƶǆ͘ ŽŶƚĂĐƚ KƉĞƌĂƟŶŐ Mechanism Thermal KǀĞƌůŽĂĚ Release ^/'E ,ĂŶĚůĞ Tripping Mechanism Shunt Trip dĞƐƚ ƵƩŽŶ Thermal Adj. <ŶŽď E ^dZhdhZ DŽůĚĞĚ ĐĂƐĞ ĐŝƌĐƵŝƚ ďƌĞĂŬĞƌƐ ĂƌĞ ŵĂĚĞ ƵƉ ŽĨ ĮǀĞ ŵĂŝŶ ĐŽŵƉŽŶĞŶƚƐ DŽůĚĞĚ ĂƐĞ Žƌ &ƌĂŵĞ KƉĞƌĂƟŶŐ DĞĐŚĂŶŝƐŵ ƌĐ ǆƟŶŐƵŝƐŚĞƌƐ Contacts dƌŝƉ hŶŝƚƐ DK> ^ &Z D E KsZ ^/'D DƐ ĂƌĞ ŵĂĚĞ ŽĨ ƵůŬ ŵŽůĚŝŶŐ ĐŽŵƉŽƵŶĚ Žƌ ĐŽŵƉŽƐŝƚĞ ;DͿ͘ D ŝƐ Ă ĮďĞƌ ƌĞŝŶĨŽƌĐĞĚ ƚŚĞƌŵŽƐĞƚ ƉŽůǇĞƐƚĞƌ ŵĂƚĞƌŝĂů ƚŚĂƚ ĐŽŵďŝŶĞƐ ƌƵŐŐĞĚŶĞƐƐ ĂŶĚ ŚŝŐŚ ĚŝĞůĞĐƚƌŝĐ ĂŶĚ ŵĞĐŚĂŶŝĐĂů ƐƚƌĞŶŐƚŚ ŝŶ Ă ĐŽŵƉĂĐƚ ĚĞƐŝŐŶ͘ dŚĞ ĨƵŶĐƟŽŶ...

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028/'(' &$6( &,5&8,7 %5($.(5 0&&% Z yd/E'h/^Z^ ^ŝŐŵĂ DƐ ĨĞĂƚƵƌĞ ĞǆĐĞůůĞŶƚ ĂƌĐͲĞǆƟŶŐƵŝƐŚŝŶŐ ƉĞƌĨŽƌŵĂŶĐĞ ďǇ ǀŝƌƚƵĞ ŽĨ ƚŚĞ ŽƉƟŵƵŵ ĐŽŵďŝŶĂƟŽŶ ŽĨ ƚŚĞ ŐƌŝƉ ŐĂƉ͕ƐŚĂƉĞ ĂŶĚ ŵĂƚĞƌŝĂů͘ dŚĞ ĂƌĐ ŝƐ ƚŽ ďĞ ŐƵŝĚĞĚ ƋƵŝĐŬůǇ ĂǁĂǇ ĨƌŽŵ ƚŚĞ ĐŽŶƚĂĐƚ ƟƉƐ ƚŽ ƚŚĞ ƐƉůŝƩĞƌ ƉůĂƚĞƐ ;ĂůƐŽ ĐĂůůĞĚ ĚĞͲŝŽŶ ƉůĂƚĞƐͿ͕ ĐŽŽůĞĚ͕ ĞůŽŶŐĂƚĞĚ ĂŶĚ ƵůƟŵĂƚĞůǇ ΗƐƉůŝƩĞĚΗ ŝŶƚŽ ƐŵĂůůĞƌ ƉĂƌƚ ĂƌĐƐ ƐŽ ƚŚĂƚ ƚŚĞ ĂƌĐ ĐĂŶ ďĞ ƋƵĞŶĐŚĞĚ ĂŶĚ ƚŚĞ ƐŚŽƌƚͲĐŝƌĐƵŝƚ ŝŶƚĞƌƌƵƉƚĞĚ͘ dŽ ĂĐŚŝĞǀĞ ƚŚŝƐ͕ ƚŚĞ ǁŚŽůĞ ĂƌĐ ĐŚĂŵďĞƌ ƚŽŐĞƚŚĞƌ ǁŝƚŚ ƚŚĞ ĨŽƌŵ͕ ƉŽƐŝƟŽŶ ĂŶĚ ĂƌƌĂŶŐĞŵĞŶƚ ŽĨ ƚŚĞ ƐƉůŝƩĞƌ ƉůĂƚĞƐ ŵƵƐƚ ĨŽƌŵ ĂŶ ŽƉƟŵŝƐĞĚ ĨƵŶĐƟŽŶĂů ƵŶŝƚ ǁŝƚŚ ƚŚĞ ŵĂŝŶ ĐŽŶƚĂĐƚƐ͘ >dZ/ > KEd d^...

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0&&% 028/'(' &$6( &,5&8,7 %5($.(5 ůĞĐƚƌŽŵĂŐŶĞƟĐ KǀĞƌĐƵƌƌĞŶƚ ZĞůĞĂƐĞ /Ŷ ƚŚĞ ĐĂƐĞ ŽĨ ĐŝƌĐƵŝƚ ďƌĞĂŬĞƌƐ ǁŝƚŚ ŵŽƚŽƌ ƉƌŽƚĞĐƟǀĞ ĐŚĂƌĂĐƚĞƌŝƐƟĐ͕ ƚŚĞ ĞůĞĐƚƌŽщŵĂŐŶĞƟĐ ŽǀĞƌĐƵƌƌĞŶƚ ƌĞůĞĂƐĞ ŝƐ ĂĐƟǀĂƚĞĚ ĂůŵŽƐƚ ŝŶƐƚĂŶƚĂŶĞŽƵƐůǇ ǁŚĞŶ ĂŶ ŽǀĞƌͲĐƵƌƌĞŶƚ ŽĨ ϭϬ͙ϭϲ ƟŵĞƐ ŽĨ ƚŚĞ ŵĂǆŝŵƵŵ ĐƵƌƌĞŶƚͲƐĞƫŶŐ ŇŽǁƐ ƚŚƌŽƵŐŚ ƚŚĞ ĚĞǀŝĐĞ͘ dŚĞ ĞǆĂĐƚ ŽƉĞƌĂƟŶŐ ƚŚƌĞƐŚŽůĚ ŝƐ ĞŝƚŚĞƌ ĂĚũƵƐƚĂďůĞ ;ĚĞƉĞŶĚŝŶŐ ŽŶ ǁŚĞƚŚĞƌ ƐĞůĞĐƟǀŝƚǇ ŝƐ ĚĞƐŝƌĞĚ Žƌ ŽŶ ƚŚĞ ĚŝīĞƌĞŶƚ ŝŶƌƵƐŚ ƉĞĂŬ ĐƵƌƌĞŶƚ ŽĨ ƚƌĂŶƐĨŽƌŵĞƌƐ Žƌ ŝĨ ƚŚĞ ĚĞǀŝĐĞ ŝƐ ƚŽ ďĞ ĞŵƉůŽǇĞĚ ĨŽƌ ƚŚĞ ƉƌŽƚĞĐƟŽŶ ŽĨ ŐĞŶĞƌĂƚŽƌƐͿ Žƌ ŝƐ ĮǆĞĚ ƚŚƌŽƵŐŚ ŝƚƐ ĚĞƐŝŐŶ͘ dŚĞ ƚŚƌĞƐŚŽůĚ ŝƐ ůŽǁĞƌ ĨŽƌ ĐŝƌĐƵŝƚ ďƌĞĂŬĞƌƐ ƵƐĞĚ ĨŽƌ...

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