OVERLOAD SAFETY DEVICES
Overload safety devices provide protection against accidental overloading for hoistings of any kind.

Overload Protection Device
Typ: R-0311
Properties
- Input: 1× strain gauge bridge
- Power supply: 230 V AC (50/60 Hz)
- Option: 24 V DC (20…30 V DC)
- Option: 110 V AC (50/60 Hz)
- Connection: EMC cable gland, screw terminals
- Contacts: 1× relay (SPDT)
- Functions: overload, slack rope
- Ingress protection (IEC/EN 60529): IP 65
- Material: die-cast aluminium
- Dimensions: 125×80×54 mm
- Operating temperature: −25…+70 °C
- Option: −40…+80 °C
Options
- ATEX certification
Highlights
- Low-cost solution for simple overload protection
- Easily adjustable without requiring special tools

Overload Protection Device
Type: R-0312
Properties
- Input: 1× strain gauge bridge
- Power supply: 230 V AC (50/60 Hz)
- Option: 24 V DC (20…30 V DC)
- Option: 110 V AC (50/60 Hz)
- Connection: EMC cable gland, screw terminals
- Contacts: 2× relay (SPDT)
- Functions: overload, slack rope
- Ingress protection (IEC/EN 60529): IP 65
- Material: die-cast aluminium
- Dimensions: 175×80×54 mm
- Operating temperature: −25…+70 °C
- Option: −40…+80 °C
Options
- ATEX certification
Highlights
- Two relay contacts
- Easily adjustable without requiring special tools

Overload Protection Device with current loop output
Type: R-0313
Properties
- Input: 1× strain gauge bridge
- Power supply: 230 V AC (50/60 Hz)
- Option: 24 V DC (20…30 V DC)
- Option: 110 V AC (50/60 Hz)
- Connection: EMC cable gland, screw terminals
- Output: current loop (4…20 mA)
- Contacts: 1× relay (SPDT)
- Functions: overload, slack rope
- Ingress protection (IEC/EN 60529): IP 65
- Material: die-cast aluminium
- Dimensions: 175×80×54 mm
- Operating temperature: −25…+70 °C
- Option: −40…+80 °C
Options
- ATEX certification
Highlights
- Overload protection with current loop output
- Ideally suited for conversion of strain gauge bridge sensors to current loop signalling (e.g. for PLCs)
- Easily adjustable without special tools

Overload Protection Device with current loop output
Type: R-0316
Properties
- Inputs: 1× strain gauge bridge, 1× current loop (4…20 mA)
- Power supply: 230 V AC (50/60 Hz)
- Option: 24 V DC (20…30 V DC)
- Option: 110 V AC (50/60 Hz)
- Connection: EMC cable gland, screw terminals
- Output: 1× current loop (4…20 mA)
- Contacts: 2× relay (SPDT)
- Functions: overload, slack rope
- Ingress protection (IEC/EN 60529): IP 65
- Material: die-cast aluminium
- Dimensions: 220×120×80 mm
- Operating temperature: −25…+70 °C
- Option: −40…+80 °C
Options
- ATEX certification
Highlights
- Ideally suited for conversion of strain gauge bridge sensors to current loop signalling (e.g. for PLCs)
- Easily adjustable without special tools
- Additional current input
- Load summation

Digital Overload Protection Device
Type: MVD-0485
Properties
- Inputs: 1…4× current loop (4…20 mA)
- Power supply: 110…230 V AC (50/60 Hz)
- Option: 24 V DC (20…30 V DC)
- Connection: EMC cable gland, spring-loaded terminals
- Outputs: 0…4× current loop (4…20 mA)
- Contacts: 6× safety relay (normally open, supervised)
- Option: 14× safety relay (normally open, supervised)
- Option: 22× safety relay (normally open, supervised)
- Option: 6/14/22× safety relay (SPDT, supervised)
- Functions: overload, slack rope, cross comparison, etc.
- Ingress protection (IEC/EN 60529): IP 65
- Material: die-cast aluminium
- Dimensions: 230×200×111 mm
- Option: 330×230×111 mm (for 22× relay options)
- Operating temperature: −25…+70 °C
- Option: −40…+80 °C
Options
- ATEX certification
Highlights
- Load spectrum recorder (in accordance to FEM 9.755)
- Serial interface (RS-485)
- Digital inputs
- Configuration on device or with the comfortable PC companion software (via RS-232)

Configurable Logic Controller
Typ: SKS-0586
Properties
- Inputs: 1…4× current loop (4…20 mA)
- Power supply: 110…230 V AC (50/60 Hz)
- Option: 24 V DC (20…30 V DC)
- Connection: EMC cable gland, spring-loaded terminals
- Outputs: 0…4× current loop (4…20 mA)
- Contacts: 6× safety relay (normally open, supervised)
- Option: 14× safety relay (normally open, supervised)
- Option: 22× safety relay (normally open, supervised)
- Option: 6/14/22× safety relay (SPDT, supervised)
- Functions: overload, slack rope, cross comparison, etc.
- Ingress protection (IEC/EN 60529): IP 65
- Material: die-cast aluminium
- Dimensions: 230×200×111 mm
- Option: 330×230×111 mm (for 22× relay options)
- Operating temperature: −25…+70 °C
- Option: −40…+80 °C
Options
- ATEX certification
Highlights
- Load spectrum recorder (in accordance to FEM 9.755)
- Serial interface (RS-485)
- Digital inputs
- Jib radius calculation
- Load curve
- Configuration on device or with the comfortable PC companion software (via RS-232)