Specifications

Systems
Introduction
2/5
Siemens LV 1 · 2007
2
Order No. Page
Counter modules
Modules with special functions / Counter modules
• Degree of protection IP20
• For evaluation of pulses
• Connection with screw-type or spring-loaded terminals
Your advantage: Evaluation of pulses which exceed even the
clock frequency of AS-Interface
3RK1 2/49
Ground-fault detection
modules
Modules with special functions / Ground-fault detection modules
• Degree of protection IP20
• Display using LEDs
• Two signal outputs
Your advantage: Automatic diagnostics of ground faults on AS-Interface
3RK1 2/50
Overvoltage protection
modules
Modules with special functions / Overvoltage protection modules
• Degree of protection IP67
• Discharge through ground cable with oil-proof outer sheath
• Protection at transition of lightning protection zones
Your advantage: The AS-Interface overvoltage protection module protects downstream
AS-Interface devices or individual sections in AS-Interface networks from conducted
overvoltages
3RK1 2/50
Compact starters
Motor starters / Compact starters (400 V AC)
• Degree of protection IP65/IP67
• Up to 5.5 kW at 400/500 V AC
• Electromechanical or solid-state design
• Optional with brake contact
Your advantage: No local control cabinets required thanks to completely factory-wired
load feeder with IP65 protection
3RK1 Ch. 6
Motor starters
Motor starters / Motor starters (24 V DC)
• Degree of protection IP65/IP67
• Direct-on-line starters, double starters or reversing starters
•Up to 70W
• Quick stop function
Your advantage: Simple motor starter in service-proven module construction
for 24 V DC motors
3RK1 Ch. 6
ECOFAST motor starters
Motor starters / ECOFAST motor starters and soft starters
• Degree of protection IP65/IP67
• Standardized interfaces according to ECOFAST Specification (DESINA-conform)
• Mechanical or solid-state soft switching function
Your advantage: Less space required in the cabinet, the starters can be installed near
the motor or be plugged on the motor
3RK1 Ch. 6
Complete load feeder
Motor starters / Load feeders
• Degree of protection IP20
• Available completely factory-wired or as individual components
• Performance range up to max. 7.5 kW
• Power bus in combination with busbar system (> 200 A)
Your advantage: Completely assembled load feeders simplify applications with
AS-Interface
3RK1 Ch. 6
© Siemens AG 2007