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Sigma Switch Gears
We offer switch gear manufactured by Sigma Switch Gears Company. The term Switch Gear refers to the combination of electrical disconnects, fuses and/or circuit breakers being used for isolating electrical equipment. These are used for both purposes to de-energizing equipment and clear faults downstream as well.
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MCB Safety And Testing Equipment
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| Rated Current | Standardized |
| Rated Voltage | Standardized |
| Rated Impulse Withstand Voltage | Standardized |
| Breaking Capacity | Standardized |
| Insulation Medium | Standardized |
| Rated Frequency | Standardized |
| Making Capacity | Standardized |
We are engaged in supplying a finest range of MCB Safety and Testing Equipments that are made with the help of the latest technological advancements. These are also known as Nuclear, chemical and biological safety and testing equipments and have highly enhanced security features.
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Change Over Switches
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| Rated Current | Standardized |
| Switch Control | Automatic |
| Type | Standardized |
| Poles Number | 2 Pole |
| Current Rating | Standardized |
| Changeover Source Type | Dual Source |
| Voltage Level | Medium-Voltage |
| Rated Short Circuit Breaking Capacity | Standardized |
| Power | Standardized |
| Breaking Capacity | Standardized |
Our range of Change Over Switches finds wide application in industries as well as in domestic sphere for use in low voltage distribution circuits, wherever continuity of supply is necessary for switching to an alternate source of supply from main supply.
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Miniature Circuit Breaker (MCB)
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| No.Of Poles | 3 Pole |
| Voltage | Standardized |
| Switch Type | Modular |
| Phase | Standardized |
| Rated Current | Standardized |
| Model Name/Number | Standardized |
| Rated Voltage | Standardized |
| Making Capacity | Standardized |
| Specification | IEC 898- 1995 / IS 8828- 1996 | ||||||
| Current Rating | 1 to 40 Amps. | ||||||
| Voltage Rating | As per standard can be operated at 230V or 240/415V AC | ||||||
| Breaking Capacity | 1cn Ultimate breaking capacity (O-CO Cycle) Rating (A) Type Breaking Cap. (A) 1 to 40 1,2,3,4 P 10000 | ||||||
| No. of Operating Cycles (O-C) | 50000 | ||||||
| Tripping Characteristics | B-Curve – The magnetic releases operate between 3 ln to 5 1n C-Curve – The magnetic releases operate between 5 1n to 10 1n | ||||||
| Impulse withstand Voltage (Uimp.) | 6KV | ||||||
| Weight (g.) Approx. | Type | 1P | 2P | 3P | 4P | ||
| 120g | 242g | 365g | 485g | ||||
| Tropicalization | Treatment 2 (Relative Humidity 99% at 25% C) | ||||||
| Rated Frequency | 50Hz | ||||||
| Number of Poles | 1, 1+N, 2, 3, 3+N | ||||||
| Mounting | Standard 35mm Din Rail | ||||||
| Housing | Fire Retardant glass fiber reinforced polyester | ||||||
| Altitude | Upto 2000 meter above sea level | ||||||
| Power Loss Rating | 6A | 10A | 16A | 20A | 25A | 32A | 40A |
| w | 3 | 3.5 | 3.5 | 4 | 6 | 7 | 7.5 |
| I P Category | IP 20 | ||||||
| Energy Limiting Class | 3 | ||||||
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Residual Current Circuit Breakers (RCCB)
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| Senstivity | Standardized |
| Voltage | Standardized |
| Rated Current | Standardized |
| Rated Voltage | Standardized |
| Making Capacity | Standardized |
| Number Of Poles | Standardized |
| Frequency | Standardized |
| Specification | BS:4293/ Is:/ 12640/ CEE:27 |
| Current Ratings | 25A, 40A, 63A |
| No.of poles | 2&4 (3 phase, 3 Wire Protection possible with 4 pole RCCB). |
| Normal Voltage | 240/415 V,50Hz |
| Short circuit withstand | 6000A |
| Capacity | 10000 A with SIGMA MCB's |
| Sensitivities | 30mA, 100mA, 300mA, (non adjustable) |
| Electrical Life | more than 10,000 operations |
| Mechanical Life | more than 10,000 operations |
| Terminations | flexible up to 35mm2, finger And hand touch safe |
| Ambient temperature | -50 C to +600 C |
| Range | (for temp.below 00 C, care Must be taken to prevent Formation of ice on device) |
| Shock Resistance | 20 g, minimum |
| Vibration Resistance | 3 g , minimum |
| Protection Class | IP 40 to IS 2147, DIN 40050/07/.80 In fully assembled condition |
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Distribution Boards
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| Model Name/Number | Standardized |
| Material | Carbon Steel |
| Power | Standardized |
| Capacity | Standardized |
| Execution | Standardized |
| Automation Grade | Semi-Automatic |
We offer high quality electrical Distribution Boards for domestic and industrial use. These boards are suitable for surface or flush mounting on the electricity supply system. The special epoxy powder coat on the surface of the board provide protection against corrosive environment.
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Single Pole & Neutral DB''s
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| Rated Current | Standardized |
| Rated Voltage | Standardized |
| Making Capacity | Standardized |
| Frequency | Standardized |
| Rated Impulse Withstand Voltage | Standardized |
| Rated Frequency | Standardized |
| Breaking Capacity | Standardized |
Features:
- To accommodate 4,6,8,12,16 SP MCB's
- In case of SPN consumer units, there is a provision
- for the DP/Isolator / MCB system for DP Isolator as in Cover. Dimensions of Consumer Unit
- 6 Way equivalent to 10 Way SPN
- 8 Way equivalent to 12 Way SPN
- 12 Way equivalent to 16 Way SPN
| Ways | A | B | C | D | E | F | Knock-out-DIA | |
| INCOMING | OUTGOING | |||||||
| 4 | 145 | 135 | 83 | 195 | 185 | 132 | Ø25MM=1noS. | Ø25MM=2noS |
| 6 | 183 | 170 | 117 | 195 | 185 | 132 | Ø25MM=1noS. | Ø25MM=3noS |
| 8 | 220 | 210 | 157 | 195 | 185 | 132 | Ø25MM=1noS. | Ø25MM=4noS |
| 12 | 295 | 280 | 225 | 195 | 185 | 132 | Ø25MM=1noS. | Ø25MM=6noS |
| 16 | 360 | 350 | 296 | 195 | 185 | 132 | Ø25MM=1noS. | Ø25MM=8noS |
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Three Phase & Neutral DB''s Switchgears
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| Rated Current | Standardized |
| Rated Voltage | Standardized |
| Making Capacity | Standardized |
| Frequency | Standardized |
| Rated Impulse Withstand Voltage | Standardized |
| Rated Frequency | Standardized |
| Breaking Capacity | Standardized |
| Dimension | Standardized |
Horizontal Configuration:
The DB is suitable for TPN incomer and provision for 4, 8, 12 Way SP MCB's per phase outgoing
Vertical Configuration:
The DB is designed to accommodate TPN incomer and provision for 4, 8, 12 Way TP MCB's per phase as outgoing.
Consumer Unit:
Compatible to have 63/ 100 load Isolator or 30mA/ 100mA/ 25A, 40A/ 63A FP ELCB as incomer and 4, 6, 8 or 12 Way MCB's per phase as outgoes in horizontal configuration or 4, 18, 12 Way TP MCB as outgoes in vertical configuration.
| Ways | A | B | C | D | E | F | Knock-out-DIA | |
| INCOMING | OUTGOING | |||||||
| 4 | 268 | 258 | 180 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=4noS |
| 6 | 340 | 325 | 250 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=6noS |
| 8 | 410 | 400 | 325 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=8noS |
| 12 | 550 | 540 | 460 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=12noS |
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Rewirable Switches (RS''s)
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| Rated Current | Standardized |
| Poles Number | 2 Pole |
| Changeover Source Type | Dual Source |
| Voltage Level | Medium-Voltage |
| Rated Short Circuit Breaking Capacity | Standardized |
| Power | Standardized |
| Phase | Standardized |
| Automation Grade | Semi-automatic |
Sigma Rewireable Switch are designed to provide reliable isolation and protection for application where heavy on-load switching duties are required.
Salient Features:
- Available in Current Rating of 16 A upto 300A at rated Voltage of 415 Volts.
- Spring Activated Quick Make and break operating Mechanism being independent of operator’s action reduces wear & tear.
- Interlocking arrangement so that cover cannot be opened when switch is on and switch cannot be put on when cover is open.
- Vitreous Steatite porcelain in Rewireable fuses fittings complete with their conducting parts.
- Terminal Suitable for Cu&AI conductors.
Contacts:
Contacts are made of electrolytic copper electro deposited with silver and fully tropicalised for least watt loses.View Complete Details
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Double Door DB''s
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| Model Name/Number | Standardized |
| Material | Carbon Steel |
| Work | Standardized |
| Phase | Standardized |
| Power | Standardized |
| Finishing | Standardized |
| Frequency | Standardized |
TPN D/Door
| Ways | A | B | C | D | E | F | Knock-out-DIA | |
| INCOMING | OUTGOING | |||||||
| 4 | 268 | 258 | 180 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=4noS |
| 6 | 340 | 325 | 250 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=6noS |
| 8 | 410 | 400 | 325 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=8noS |
| 12 | 550 | 540 | 460 | 380 | 366 | 290 | Ø37.7mm=2Nos. | Ø25MM=12noS |
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Plug & Sockets
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| Material | Mild Steel |
| Usage/Application | Electric Fittings |
| Color | White |
| Current Rating | Standardized |
| Pin Type | 2 Pin |
| Voltage | Standardized |
Single Phase up to 20A & Three Phase up to 32 A, fitted with industrial type SIGMA Plug & Socket. These are ideally suitable for switching & Protection of Air Conditioners, Refrigerator, Geyser and industrial Machines etc. Please ensure to use 'C' type SIGMA MCB's while protecting, the above and never use 'B' type MCB's in the above cases. Continental Type DB's 1,2,3,4 tier.
| Ways | A | B | C | D | E | F | Knock-out-DIA | |
| INCOMEING | OUTGOING | |||||||
| 10 | 550 | 538 | 460 | 380 | 365 | 290 | Ø37.7mm=2Nos. | Ø25MM=12noS |
| ways | A | B | C | D | E | knock-out-DIA | |
| INCOMING | OUTGOING | ||||||
| 228 | 125 | 78 | 164 | 154 | 108 | Ø37.7mm=2Nos. | Ø25MM=12noS |
| Ways | A | B | C | D | E | Knock-out-DIA | |
| INCOMING | OUTGOING | ||||||
| 228 | 115 | 290 | 290 | 280 | 230 | Ø37.7mm=2Nos. | Ø25MM=12noS |
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