Product configurator: ROBA-stop® silenzio®

Quietest safety brake on the market
Available as dual circuit brake or as single circuit brake
Contactless monitoring of switching condition

Dual circuit brake Redundant braking system with two brake bodies working independently of each other

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Single circuit brake Compact brake with an extremely short construction length

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Single circuit brake (double rotor design) Single circuit brake with two rotors (4 friction surfaces) with doubled braking torque

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Size	4	8	16	32	64	100	200	300	500	800	1300	1800
Braking torque M_N [Nm]	2x4	2x8	2x16	2x32	2x64	2x100	2x200	2x300	2x500	2x800	2x1300	2x1800
max. speed n_max [min^-1]	4.500	3.500	2.900	2.500	2.300	2.000	1.700	1.500	1.300	1.150	1.000	900
min. hub bore d_min [mm]	8	9	14	18	18	18	23	26	40	45	56	66
max. hub bore d_max [mm]	15	20	24	30	35	46	50	60	70	75	90	100
Outer diameter (coil carrier) D [mm]	88	108	130	153	168	195	200	261	285	329	370	415

Size	4	8	16	32	64	100	200	300	500	800	1300	1800
Braking torque M_N [Nm]	4	8	16	32	64	100	200	300	500	800	1.300	1.800
max. speed n_max [min^-1]	4.500	3.500	2.900	2.500	2.300	2.000	1.700	1.500	1.300	1.150	1.000	900
min. hub bore d_min [mm]	8	9	14	18	18	24	24	24	40	45	56	66
max. hub bore d_max [mm]	15	20	24	30	35	46	50	60	70	75	90	100
Outer diameter (coil carrier) D [mm]	88	108	130	153	168	195	200	261	285	329	370	415

Tip: Click on the column that is appropriate to you to configure the product in detail.

Size	300	500	800	1300	1800
Braking torque M_N [Nm]	600	1.000	1.600	2.600	3.600
max. speed n_max [min^-1]	300	300	300	250	250
min. hub bore d_min [mm]	26	40	45	56	66
max. hub bore d_max [mm]	60	70	75	90	100
Outer diameter (coil carrier) D [mm]	261	285	329	370	415

The max. product properties listed above may change during the configuration process. Please note the final product specification in the information text or in the final configuration drawing.

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Product features

Mounting position
Mounting on the free shaft end

Application
For elevator machines and stage technology
Dual circuit brake for passenger elevators, stage drives, hoists, and conveyor equipment

Safety
Safe through fail-safe principle
Switching state monitoring
Suitable for emergency stop braking
Redundancy thanks to two independent brake circuits (EN 81)

Design
Electromagnetic

Construction - Protection class
Mechanical: degree of protection IP 10
Mechanical, only for design with cover, in the area of the rotors: protection IP20
Electrical: degree of protection IP 54

Assembly and maintenance
Easy mounting
Pre-set air gap

Sound
Noise-damped
Noise level of the basic version under 60 dB(A) even after several million switchings.

Temperature
Insulation class F

Duty cycle
Suitable for use up to 60% duty cycle. Increased temperature with duty cycle >60%
Longer duty cycle possible after consultation

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