Rotary handle operating mechanism
The rotary handle operating mechanism suitable for:
1. Closing and Opening of MCCB by the rotary handle on MCCB
2. Closing and Opening of MCCB by the rotary handle on the compartment door of switch board:
3. Interlocking between handle the rotary operating mechanism and compartment door to prevent the compartment door from being opened in case of MCCB in closed state.
Customer can fit padlock on it for MCCB in open position (up to a max of 3 padlock with max 6mm dia).It can be supplied witch.
One key and one lock for one MCCB
One key and two lock for three MCCB
Two key and three lock for three MCCB
The type of the rotary handle operating mechanism are given in Table 1.

Rotary handle operating mechanism34

Rotary Handle Operating Mechanism: Table 1

Rated current of frame size Inm	Selection of type
		compartment door(selection:Handle+Mechanism
	On MCCB		Handle				Operation mechanism
	CS2	CS2/L	A type(Round)		B type(Square)		CS1(central)		CSS(Eccentric)
		With interlock	A-1Short handle	A-2Long handle	F1-1Short handle	F1-2Long handle	CS1	CS1/L With interlock	CSS	CSS/L With interlock
63A	-	-	A-1	-	F1-1	-	-	-	CSS-63	CSS/L-63
100A	-	-	A-1	-	F1-1	-	-	-	CSS-100	CSS/L-100
160A	-	-	A-1	-	F1-1	-	-	-	CSS-160	CSS/L-160
250A	CS2-250	CS2/L-250	A-1	-	F1-1	-	CS1-250	CS1/L-250	CSS-250	CSS/L-250
400A	CS2-400	CS2/L-400	A-1	-	F1-1	-	CS1-400	CS1/L-400	CSS-400	CSS/L-400
630A	CS2-630	CS2/L-630	-	A-2	-	F1-2	CS1-630	CS1/L-630	CSS-630	CSS/L-630
800A	CS2-800	CS2/L-800	-	A-2	-	F1-2	CS1-800	CS1/L- 800	CSS-800	CSS/L-800
1250A	CS2-1250	CS2/L-1250	-	A-2	-	F1-2	CS1-1250	CS1/L- 1250	CSS-1250	CSS/L-1250
1600A	CS2-1600	CS2/L-1600	-	A-2	-	F1-2	CS1-1600	CS1/L- 1600	CSS-1600	CSS/L-1600

Description of selection:1)Customer can make selection of different type of rotary operation mechanism according to the products in Table 1 and price,e.q.If you want to order type Cs1 250A rotary handle operation mechanism with F1-1 handle,total quantity of 8 sets,you should write in such way:CS1-250/F1-1,8sets.

Annex of DAM1(ABB)Circuit Breaker Serie

CS2 type rotary handle operation mechanism
Mounted on MCCB.
Key lock for MCCB in open position.
Interlock with compartment door.
Selectable accessories.

Rotary handle operating mechanism2162

CS2 type rotary handle operation mechanism
A type handleShort handle structure
Mounted on compartment door
Fitted with CS1 or CSS operation mechanism
Degree of protection IP30
Selectable accessories

Rotary handle operating mechanism2338

A-1 type handleLong handle structure
Mounted on compartment door
Fitted with CS1 or CSS operation mechanism
Degree of protection IP30
Selectable accessories

Rotary handle operating mechanism2505

A-2 type handle
F1-1 type handle
Short handle structure
Mounted on compartment door
Fitted with CS1 or CSS operation mechanism
Degree of protection IP30
(The handle of IP54 is also available on request)
Selectable accessories

Rotary handle operating mechanism2689

F1-1 type handle

Long handle structure
Mounted on compartment door
Fitted with CS1 or CSS operation mechanism
Degree of protection IP30
(The handle of IP54 is also available on request)
Selectable accessories

F1-2 type handle
CSS type rotary handle operation mechanism


CSS-63A-160A rotary handle	CSS-250A-400A rotary handle	CSS-630A-1600A rotary handle
operation mechanism	operation mechanism	operation mechanism

Eccentric structure
Mounted on MCCB
Fitted with A type or F type handle
Interlock with compartment door.
Selectable accessories

Annext of DZ20 Circuit Breaker Series

CSS type rotary handle operation mechanism

CSS-100A rotary handle CSS-200A rotary handle CSS-400A-630A rotary handle
operation mechanism operation mechanism operation mechanism

Central structure
Mounted on MCCB
Fitted with A type or F type handle
Interlock with compartment door.
Selectable accessories

　　SHANGHAI DADA ELECTRIC CO.,LTD was established in 2004, is acknowledged as one of the most respected nationwide manufacturers low voltage CIRCUIT BREAKER in China. A wide range products cover miniature circuit breakers(MCB), residual current circuit breakers(RCCB),Residual Current Circuit Breakers With Overcurrent Protection (RCBO), moulded case circuit breakers(MCCB),AC Contactor, thermal overload relay,Motor Protection Circuit Breaker,etc.Why choose CDADA?PRODUCTION WORKSHOPThe Group, comprising 3 factories, owns a production area of 52,400m2 and employs more than 500 staff.WorkshopWe utilize a punching workshop, injection molding workshop, hydraulic workshop, spot welding and riveting workshop, assembly workshop, and quality inspection workshop that meets all of our quality management necessities.StaffThe production center is staffed by 400 employees including 32 technical staff members, and 30 senior management personnel. We have many industry experts in low-voltage electrical appliances.EquipmentThanks to this high efficiency facility, we have surpassed an annual output of 800,000 MCCB and 5,000,000 MCB units.Our circuit breaker products are specially designed to meet the wide range of installation needs of small users all the way to industrial transformer substations and power distribution stations. You will find our products installed in steel mills, oil platforms, hospitals, railway stations, airports, computing centers, office buildings, convention centers, theaters, skyscrapers, and any other building with electricity demands.Dada remains dedicated to the development and manufacturing of circuit breakers. We have successfully expanded our global business to more than 20 countries and regions across Europe, America, Middle East, Africa and Southeast Asia. For many years, we have participated in bidding on project for the Chinese national grid, building our company brand and expanding our capabilities and reach. We continue reaching for this goal by adhering to the corporate philosophy of “Think more for the customers and do better for the customer”. Ultimately, we aim to increase the intelligentization of electricity management and we are committed to becoming a world-class leader in quality electrical products. Dada looks to transform the Chinese electrical system, but also the world's.Our Mission? CDADA is devoted to providing high quality products by supplying products from superior manufacturers and providing first-rate customer service.? We are committed to providing the global companies with superior quality circuit breaker products to help compete in today’s marketplace.Our Team? Our R&D team is focused on developing innovative circuit breaker technology to ensure our customers have access to the highest quality products.? Our staff has more than 30 years of experience provides personalized customer service every step of the way.