NEW. Moulded Case Circuit Breakers New DU Series 20 A to 250 A

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Mabel Thornton
5 years ago
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1 NEW Moulded Case Circuit Breakers New DU Series 0 A to 50 A

2 About us Larsen & Toubro is a technology-driven USD 7 billion company that infuses engineering with imagination. The Company offers a wide range of advanced solutions in the field of Engineering, Construction, Electrical & Electronics, Machinery and Information Technology. L&T Switchgear, which forms part of the Electrical & Automation business, is India's largest manufacturer of low voltage switchgear, with the scale, sophistication and range to meet global benchmarks. With over four decades of experience in this field, the Company today enjoys a leadership position in the Indian market with growing presence in international markets. It offers a complete range of products including controlgear, powergear, motor starters, energy meters, wires and host of other accessories. Most of our product lines conform to international standards, carry CE marking and are certified. The DU Series, a new generation of MCCBs, stands out due to its state-of-the-art design, contemporary user-friendly features, wide choice of protective releases, ergonomics, aesthetics and compactness. The DU Series complies with the latest standards like IEC , EN & IS The products conform to international standards, carry CE marking and are & CB certified. The range is specially designed for tropical conditions, ensuring reliable performance at high ambient and humid environments. The range can satisfy the most demanding system requirements. The DU Series, has a wide range of accessories, ensuring operational safety, reliability and versatility. Switchgear Factory, Mumbai

L&T now extends the DU range of MCCBs with DU00H & DU50.

speedo quench contact system Ergonomic Design & User Friendliness Knob designed for better

front * Easy ON/OFF/RESET operations Wide variety of snap fit accessories* Compact Compact

Use Positive isolation with positive OFF indication Finger proof terminals Lockable shroud

Auxiliary contacts Trip alarm contacts Combined Auxiliary + Trip alarm contacts # Shunt

Spreader links Padlock is available (Only with ROM) Box clamps Terminal shroud** Easy to

3 L&T now extends the DU range of MCCBs with DU00H & DU50. Salient Features of New DU Series New Technology Specially designed arc suction effect & speedo quench contact system Ergonomic Design & User Friendliness Knob designed for better grip Color indication of ON/TRIP/OFF Current rating on the knob Overload adjustment from front * Easy ON/OFF/RESET operations Wide variety of snap fit accessories* Compact Compact size Suitable for side by side mounting Suitable for use in MCB Distribution Board Safe to Use Positive isolation with positive OFF indication Finger proof terminals Lockable shroud on thermal knob to prevent unauthorized operation* CE Marked range Internal Accessories* Auxiliary contacts Trip alarm contacts Combined Auxiliary + Trip alarm contacts # Shunt release $ Under Voltage release $ External Accessories* Direct mounted & extended ROM Spreader links Padlock is available (Only with ROM) Box clamps Terminal shroud** Easy to Install 45mm door cutout Built in DIN rail mounting** * For 3P & 4P MCCBs. ** Only for DU00H # To be fitted in the right cavity $ To be fitted in the LHS cavity

4 Technical Data DU Series Technical Parameter Specification Type Designation DU00H P DU00H P/3P/4P No. of Poles /3/4 3 Rated Current In 0 A to 00 A 0 A to 00 A 00 A to 50 A Rated Operational Voltage Ue 40 V 45 V Rated Insulation Voltage Ui 690 V Operational 50 or 60 Hz Reference Temperature 40 C Rated Ultimate S. C. Breaking 40 V 5kA 65kA 65kA Capacity (Icu) 400 V 8kA 36kA 36kA 45 V 5kA 30kA 36kA 500 V - 0kA 0kA 600 V - 5kA 5kA Rated Service S. C. Breaking Capacity (Ics) 50% of lcu Mechanical Life No. of operations Electrical Life No. of operations Reference Standard IEC , EN , IS (part ) Type of Release Thermal - Magnetic Thermal Fixed Variable ( x In) Variable ( x In) Magnetic Fixed (0 x In) Fixed (9 x In) Fixed (9 x In) Terminal Capacity Cables with Lug 35mm 0mm With box clamp 35mm 0mm Link 6mm 5mm Overall Dimensions Width 5mm 75/75/00 mm 05mm Height 30mm 30mm 65mm Mounting Depth 60mm 60mm 60mm Weight 0.8kg 0.60/0.73/0.96 kg.45kg

5 Ordering Information Catalogue No. Catalogue No. Rating Rating DU00H P DU00H P DU00H 3P DU00H 4P 00 A CM98064OOOO 0 A CM979OOC CM97898OOC CM97894OOC CM97933OOC 5 A CM98063OOOO 5 A CM979OOD CM97898OOD CM97894OOD CM97933OOD 60 A CM9806OOOO 3 A CM979OOE CM97898OOE CM97894OOE CM97933OOE 00 A CM9806OOOO 40 A CM979OOF CM97898OOF CM97894OOF CM97933OOF 50 A CM98060OOOO 50 A CM979OOG CM97898OOG CM97894OOG CM97933OOG 63 A CM979OOH CM97898OOH CM97894OOH CM97933OOH 80 A CM979OOJ CM97898OOJ CM97894OOJ CM97933OOJ 00 A CM979OOK CM97898OOK CM97894OOK CM97933OOK Internal Accessories External Accessories 3-Pole & 4-Pole versions 3-Pole Version Description Catalogue No. Description DU00H 3P DU00H 4P Auxiliary Contact C/O CM97886OOOO Spreader Links CM97785OOOO CM979OOOO ST98053OOOO Auxiliary Contact C/O CM97887OOOO ROM - Extended CM97896OOOO CM97896OOOO CM9804OOOO Trip Alarm Contact (TAC) C/O CM97888OOOO ROM - Direct CM97895OOOO CM97895OOOO CM98040OOOO Trip Alarm Contact C/O CM97889OOOO Aux. C/O + (TAC) C/O CM97890OOOO Shunt Release 45/40 V AC CM97883OMOO Under Voltage Release, 40 V AC CM9789BOOO I-T Characteristics Curves DU00H DU50 MCCB Time in Seconds 0 Time in Seconds Multiples of Current Multiples of Current 3

6 Cut-out 7 Overall Dimensions DU00H -Pole 3-Pole, 4-Pole 3-Pole with spreaders 4-Pole with spreaders -Pole, 3-Pole, 9 4-Pole I O T 5 ON OFF N 00 (4 pole) 5 s (3 pole) N s Terminal For -Pole MCCB, refer 3-Pole dimensions Spreader links are available as spare. It is recommended to use spreader links for enhancing termination capacity Spreader links are available as spare. It is recommended to use spreader links for enhancing termination capacity Panel Cut-out Dimension DU00H P DU00H 3P M3-Ø Mount MCCB with two Screws at Diagonal Position M3-Ø.4 ( nos.) Cut-out Cut-out or Cut-out Cut-out Cut-out 3.8 Door Cut-out Dimensions Door Cut-out Dimensions 35.5 All dimensions are in mm 4

7 ROM Mounting Dimension Mounting Dimensions - Direct ROM L5 L4 L Panel cutout L Panel Breaker mounting holes Type DU00H DU50 L L L L L = Mounting depth L/ = Panel cut-out L4/L5 = Breaker mounting reference Extended ROM Handle Assembly Mounting Dimensions - Extended ROM MCCB Mounting Holes References as per MCCB Mounting L L Panel Cut Details 75 As Viewed from the front 45 Ø5 L Cut the shaft to the required length = L Ø76 L = Length of Shaft required for Panel Depth L (mm) L = Min. Panel depth (mm) Type DU00H DU50 L L L-9 L-9 L Ø4 All dimensions are in mm 5

Moulded Case Circuit Breakers

Moulded Case Circuit Breakers DU Series About us Larsen & Toubro is a technologydriven company that infuses engineering with imagination. The Company offers a wide range of advanced solutions in the field