BNS-B20-12Z-ST-L Schmersal Safety Switches

Switching capacity, maximum-

Switching current, maximum-

Switching frequency, maximum-

Voltage type-

Switching voltage, maximum-

Restistance to shock-

Resistance to vibrations to EN 60068-2-6-

Storage and transport temperature, maximum-

Ambient temperature, maximum+80 °C

Degree of protectionIP67 to EN 60529

Width of sensor52 mm

Storage and transport temperature, minimum-

Height of sensor90 mm

Ambient temperature, minimum-30 °C

Length of sensor30 mm

Terminal ConnectorScrew connection

Door hinge-

Ensured switch distance ON Sao-

Door weight, Hinged guard, maximal-

Ensured switch distance OFF Sar-

Latching force30 N

Door weight, Sliding guard, maximal-

Standards-

Actuating element-

Number of openers-

Enclosure materialPlastic, glass-fibre reinfor...

Number of safety contacts2

Gross weight115 g

Active principle-

Coding level according to ISO 14119Low

Number of shutters-

Installation conditions (mechanical)-

Interfering radiation-

EMC rating-

Current, Utilisation category DC12-

Voltage, Utilisation category DC1324 VDC

Current, Utilisation category DC134 A

Versions-

Voltage drop Ud, maximum-

Current leakage Ir-

Rated operating current (safety outputs)-

Operating current-

Required rated short-circuit current to EN 60947-5-1-

Rated operating voltage, minimum-

Rated operating voltage-

No-load supply current I0-

Protection rating-

Overvoltage category-

Material temperature resistance of the cable (in motion), minimum-

Material temperature resistance (long-term), maximum-

Note (Repeat accuracy R)-

Number of fail-safe digital outputs-

Short-circuit recognition-

Diagnostic output-

Active area-

Voltage, Utilisation category DC12-

Switching frequency, approx.-

Output current, (fail-safe output), maximum-

Rated operating voltage, maximum-

Degree of pollution to VDE 0100-

Rated impulse withstand voltage Uimp6 kV

Rated insulation voltage Ui500 V

Material temperature resistance of the cable (at rest), minimum-

Note-

Switch distance-

Hysteresis (Switch distance), maximum-

Repeat accuracy R R-

Mounting-

Actuating panels-

Number of semi-conductor outputs with signaling function-

Number of LEDs-

Cascadable-

Integral System Diagnostics, status-

Duration of risk, maximum-

Safety functions-

Time to readiness, maximum-

Reaction time, maximum-

Short circuit detection-

Sensor topology-

general information-

Housing construction form-

Current, Utilisation category AC-154 A

Switching principleCreep circuit element

Switching elementNO contact, NC contact

Thermal test current10 A

Voltage, Utilisation category AC15230 VAC

Cable section, maximum2.5 mm²

Cable entry3 x M20 x 1,5

Cable section, minimum0.25 mm²

Actuating speed, maximum2 m/s

Positive break force, minimum10 N

positive break travel8 mm

Mechanical life, minimum1,000,000 Operations

Number of cable glands3

Material of the contacts, electricalSilver

Number of auxiliary contacts1

Switching capacity, maximum3 W

Switching current, maximum0.24 A

Switching frequency, maximum5 Hz

Voltage typeDC (direct current)

Switching voltage, maximum24 VDC

Restistance to shock30 g / 11 ms

Resistance to vibrations to EN 60068-2-610 … 55 Hz, amplitude 1 mm

Storage and transport temperature, maximum+70 °C

Ambient temperature, maximum+70 °C

Degree of protectionIP67

Width of sensor119.5 mm

Storage and transport temperature, minimum-25 °C

Height of sensor140 mm

Ambient temperature, minimum-25 °C

Length of sensor43.3 mm

Terminal ConnectorConnector M12

Door hingeLeft

Ensured switch distance ON Sao0 mm

Door weight, Hinged guard, maximal5 kg

Ensured switch distance OFF Sar22 mm

Latching force100 N

Door weight, Sliding guard, maximal3 kg

StandardsIEC 60947-5-3, BG-GS-ET-14

Actuating elementMagnet

Number of openers2

Enclosure materialGlass-fibre, reinforced ther...

Number of safety contacts2

Gross weight80 g

Active principleMagnetic drive

Coding level according to ISO 14119Low

Number of shutters1

Installation conditions (mechanical)quasi-flush

Interfering radiation-

EMC rating-

Current, Utilisation category DC12-

Voltage, Utilisation category DC13-

Current, Utilisation category DC13-

Versions-

Voltage drop Ud, maximum-

Current leakage Ir-

Rated operating current (safety outputs)-

Operating current-

Required rated short-circuit current to EN 60947-5-1-

Rated operating voltage, minimum-

Rated operating voltage-

No-load supply current I0-

Protection rating-

Overvoltage category-

Material temperature resistance of the cable (in motion), minimum-

Material temperature resistance (long-term), maximum-

Note (Repeat accuracy R)-

Number of fail-safe digital outputs-

Short-circuit recognition-

Diagnostic output-

Active area-

Voltage, Utilisation category DC12-

Switching frequency, approx.-

Output current, (fail-safe output), maximum-

Rated operating voltage, maximum-

Degree of pollution to VDE 0100-

Rated impulse withstand voltage Uimp-

Rated insulation voltage Ui-

Material temperature resistance of the cable (at rest), minimum-

Note-

Switch distance-

Hysteresis (Switch distance), maximum-

Repeat accuracy R R-

Mounting-

Actuating panels-

Number of semi-conductor outputs with signaling function-

Number of LEDs-

Cascadable-

Integral System Diagnostics, status-

Duration of risk, maximum-

Safety functions-

Time to readiness, maximum-

Reaction time, maximum-

Short circuit detection-

Sensor topology-

general information-

Housing construction form-

Current, Utilisation category AC-15-

Switching principle-

Switching element-

Thermal test current-

Voltage, Utilisation category AC15-

Cable section, maximum-

Cable entry-

Cable section, minimum-

Actuating speed, maximum-

Positive break force, minimum-

positive break travel-

Mechanical life, minimum-

Number of cable glands-

Material of the contacts, electrical-

Number of auxiliary contacts-

Switching capacity, maximum-

Switching current, maximum-

Switching frequency, maximum-

Voltage typeDC (direct current)

Switching voltage, maximum-

Restistance to shock30 g / 11 ms

Resistance to vibrations to EN 60068-2-610 … 55 Hz, amplitude 1 mm

Storage and transport temperature, maximum+85 °C

Ambient temperature, maximum+70 °C

Degree of protectionIP65 to EN 60529, IP67 to EN...

Width of sensor106.3 mm

Storage and transport temperature, minimum-25 °C

Height of sensor25 mm

Ambient temperature, minimum-25 °C

Length of sensor22 mm

Terminal ConnectorConnector M12, 8-pole

Door hinge-

Ensured switch distance ON Sao10 mm

Door weight, Hinged guard, maximal-

Ensured switch distance OFF Sar20 mm

Latching force-

Door weight, Sliding guard, maximal-

StandardsIEC 60947-5-3

Actuating element-

Number of openers-

Enclosure materialPlastic, glass-fibre reinfor...

Number of safety contacts-

Gross weight80 g

Active principleRFID

Coding level according to ISO 14119Low

Number of shutters-

Installation conditions (mechanical)not flush

Interfering radiationIEC 61000-6-4

EMC ratingIEC 60947-3

Current, Utilisation category DC120.05 A

Voltage, Utilisation category DC1324 VDC

Current, Utilisation category DC130.05 A

Versionsp-type

Voltage drop Ud, maximum2 V

Current leakage Ir0.5 mA

Rated operating current (safety outputs)250 mA

Operating current600 mA

Required rated short-circuit current to EN 60947-5-1100 A

Rated operating voltage, minimum20.4 VDC

Rated operating voltage24 VDC −15 % / +10 %

No-load supply current I0100 mA

Protection ratingIII

Overvoltage categoryIII

Material temperature resistance of the cable (in motion), minimum-10 °C

Material temperature resistance (long-term), maximum+105 °C

Note (Repeat accuracy R)Axial offset: The long side ...

Number of fail-safe digital outputs2

Short-circuit recognitionYes

Diagnostic outputYes

Active arealateral

Voltage, Utilisation category DC1224 VDC

Switching frequency, approx.1 Hz

Output current, (fail-safe output), maximum0.25 A

Rated operating voltage, maximum26.4 VDC

Degree of pollution to VDE 01003

Rated impulse withstand voltage Uimp0.8 kV

Rated insulation voltage Ui32 VDC

Material temperature resistance of the cable (at rest), minimum-30 °C

NoteThe cable section of the int...

Switch distance12 mm

Hysteresis (Switch distance), maximum2 mm

Repeat accuracy R R0.5 mm

MountingA screw length of 25 mm is s...

Actuating panelslateral

Number of semi-conductor outputs with signaling function1

Number of LEDs3

CascadableYes

Integral System Diagnostics, statusYes

Duration of risk, maximum200 ms

Safety functionsYes

Time to readiness, maximum2,000 ms

Reaction time, maximum100 ms

Short circuit detectionYes

Sensor topologySensor for series wiring

general informationUniversal coding

Housing construction formBlock

Current, Utilisation category AC-15-

Switching principle-

Switching element-

Thermal test current-

Voltage, Utilisation category AC15-

Cable section, maximum-

Cable entry-

Cable section, minimum-

Actuating speed, maximum-

Positive break force, minimum-

positive break travel-

Mechanical life, minimum-

Number of cable glands-

Material of the contacts, electrical-

Number of auxiliary contacts-

Switching capacity, maximum-

Switching current, maximum-

Switching frequency, maximum-

Voltage type-

Switching voltage, maximum-

Restistance to shock-

Resistance to vibrations to EN 60068-2-6-

Storage and transport temperature, maximum-

Ambient temperature, maximum+80 °C

Degree of protectionIP67 to EN 60529

Width of sensor52 mm

Storage and transport temperature, minimum-

Height of sensor90 mm

Ambient temperature, minimum-30 °C

Length of sensor30 mm

Terminal ConnectorScrew connection

Door hinge-

Ensured switch distance ON Sao-

Door weight, Hinged guard, maximal-

Ensured switch distance OFF Sar-

Latching force30 N

Door weight, Sliding guard, maximal-

Standards-

Actuating element-

Number of openers-

Enclosure materialPlastic, glass-fibre reinfor...

Number of safety contacts2

Gross weight115 g

Active principle-

Coding level according to ISO 14119Low

Number of shutters-

Installation conditions (mechanical)-

Interfering radiation-

EMC rating-

Current, Utilisation category DC12-

Voltage, Utilisation category DC1324 VDC

Current, Utilisation category DC134 A

Versions-

Voltage drop Ud, maximum-

Current leakage Ir-

Rated operating current (safety outputs)-

Operating current-

Required rated short-circuit current to EN 60947-5-1-

Rated operating voltage, minimum-

Rated operating voltage-

No-load supply current I0-

Protection rating-

Overvoltage category-

Material temperature resistance of the cable (in motion), minimum-

Material temperature resistance (long-term), maximum-

Note (Repeat accuracy R)-

Number of fail-safe digital outputs-

Short-circuit recognition-

Diagnostic output-

Active area-

Voltage, Utilisation category DC12-

Switching frequency, approx.-

Output current, (fail-safe output), maximum-

Rated operating voltage, maximum-

Degree of pollution to VDE 0100-

Rated impulse withstand voltage Uimp6 kV

Rated insulation voltage Ui500 V

Material temperature resistance of the cable (at rest), minimum-

Note-

Switch distance-

Hysteresis (Switch distance), maximum-

Repeat accuracy R R-

Mounting-

Actuating panels-

Number of semi-conductor outputs with signaling function-

Number of LEDs-

Cascadable-

Integral System Diagnostics, status-

Duration of risk, maximum-

Safety functions-

Time to readiness, maximum-

Reaction time, maximum-

Short circuit detection-

Sensor topology-

general information-

Housing construction form-

Current, Utilisation category AC-154 A

Switching principleCreep circuit element

Switching elementNO contact, NC contact

Thermal test current10 A

Voltage, Utilisation category AC15230 VAC

Cable section, maximum2.5 mm²

Cable entry3 x M20 x 1,5

Cable section, minimum0.25 mm²

Actuating speed, maximum2 m/s

Positive break force, minimum10 N

positive break travel8 mm

Mechanical life, minimum1,000,000 Operations

Number of cable glands3

Material of the contacts, electricalSilver

Number of auxiliary contacts1

Switching capacity, maximum3 W

Switching current, maximum0.24 A

Switching frequency, maximum5 Hz

Voltage typeDC (direct current)

Switching voltage, maximum24 VDC

Restistance to shock30 g / 11 ms

Resistance to vibrations to EN 60068-2-610 … 55 Hz, amplitude 1 mm

Storage and transport temperature, maximum+70 °C

Ambient temperature, maximum+70 °C

Degree of protectionIP67

Width of sensor119.5 mm

Storage and transport temperature, minimum-25 °C

Height of sensor140 mm

Ambient temperature, minimum-25 °C

Length of sensor43.3 mm

Terminal ConnectorConnector M12

Door hingeLeft

Ensured switch distance ON Sao0 mm

Door weight, Hinged guard, maximal5 kg

Ensured switch distance OFF Sar22 mm

Latching force100 N

Door weight, Sliding guard, maximal3 kg

StandardsIEC 60947-5-3, BG-GS-ET-14

Actuating elementMagnet

Number of openers2

Enclosure materialGlass-fibre, reinforced ther...

Number of safety contacts2

Gross weight80 g

Active principleMagnetic drive

Coding level according to ISO 14119Low

Number of shutters1

Installation conditions (mechanical)quasi-flush

Interfering radiation-

EMC rating-

Current, Utilisation category DC12-

Voltage, Utilisation category DC13-

Current, Utilisation category DC13-

Versions-

Voltage drop Ud, maximum-

Current leakage Ir-

Rated operating current (safety outputs)-

Operating current-

Required rated short-circuit current to EN 60947-5-1-

Rated operating voltage, minimum-

Rated operating voltage-

No-load supply current I0-

Protection rating-

Overvoltage category-

Material temperature resistance of the cable (in motion), minimum-

Material temperature resistance (long-term), maximum-

Note (Repeat accuracy R)-

Number of fail-safe digital outputs-

Short-circuit recognition-

Diagnostic output-

Active area-

Voltage, Utilisation category DC12-

Switching frequency, approx.-

Output current, (fail-safe output), maximum-

Rated operating voltage, maximum-

Degree of pollution to VDE 0100-

Rated impulse withstand voltage Uimp-

Rated insulation voltage Ui-

Material temperature resistance of the cable (at rest), minimum-

Note-

Switch distance-

Hysteresis (Switch distance), maximum-

Repeat accuracy R R-

Mounting-

Actuating panels-

Number of semi-conductor outputs with signaling function-

Number of LEDs-

Cascadable-

Integral System Diagnostics, status-

Duration of risk, maximum-

Safety functions-

Time to readiness, maximum-

Reaction time, maximum-

Short circuit detection-

Sensor topology-

general information-

Housing construction form-

Current, Utilisation category AC-15-

Switching principle-

Switching element-

Thermal test current-

Voltage, Utilisation category AC15-

Cable section, maximum-

Cable entry-

Cable section, minimum-

Actuating speed, maximum-

Positive break force, minimum-

positive break travel-

Mechanical life, minimum-

Number of cable glands-

Material of the contacts, electrical-

Number of auxiliary contacts-