Specification

Specifications table for model SF4B-H12C
ItemPerformance characteristics
No. of beam channels12
Protective height263.4 mm 10.37 in
Current consumptionEmitter: 65 mA or less
Receiver: 75 mA or less
PFHD1.9 × 10-9
(Note) Probability of dangerous failure per hour.
MTTFD100 years or more
(Note) Mean time to dangerous failure.
Net weight (Total of emitter and receiver)approx. 700 g
Applicable Standards: International StandardIEC 61496-1 / 2 (Type 4), ISO 13849-1 (Category 4, PLe), IEC 61508-1 to 7 (SIL3)
Applicable Standards: JapanJIS B 9704-1 / 2 (Type 4), JIS B 9705-1 (Category 4), JIS C 0508 (SIL3)
Applicable Standards: Europe (EU)EN 61496-1 (Type 4), EN ISO 13849-1 (Category 4, PLe), EN 61508-1 to 7 (SIL3), EN 55011, EN 50178, EN 61000-6-2
(Note) Regarding EU Machinery Directive, a Notified Body, TÜV SÜD, has certified with the type examination certificate.
Applicable Standards: North AmericaANSI / UL 61496-1 / 2 (Type 4), ANSI / UL 508, CAN / CSA 61496-1 / 2 (Type 4), CAN / CSA C22.2 No.14, OSHA 1910.212, OSHA 1910.217 (C), ANSI B11.1 to B11.19, ANSI / RIA 15.06
(Note) The product has been safety-certified in accordance with UL, ANSI, CSA, and other standards by TÜV SÜD America, a nationally recognized safety laboratory (NRTL) that has been approved by the Occupational Safety and Health Administration (OSHA) as defined by 29 CFR 1910.7
Applicable Standards: South Korea (S-Mark)S1-G-35-2005, S2-W-11-2003
Operating Range0.3 to 7m 0.984 to 22.966 ft
(Note) The operating range is the possible setting distance between the emitter and the receiver.
CE Marking Directive ComplianceMachine Directive, EMC Directive, RoHS Directive
Beam Pitch20 mm 0.787 in
Min. sensing objectø25 mm ø0.984 in opaque object
(Note) In case the blanking function is valid, the operation mode is changed.
Effective aperture angleplus or minus 2.5℃ or less [for an operating range exceeding 3 m 9.843 ft (conforming to IEC 61496-2 / ANSI/UL 61496-2) ]
Power voltage24 V DC plus or minus 10 % Ripple P-P 10 % or less
Control outputs (OSSD 1, OSSD 2)PNP open-collector transistor / NPN open-collector transistor (switching method)


• Maximum source current: 200 mA
• Applied voltage: Same as supply voltage (between the control output and +V)
• Residual voltage: 2.5 V or less (source current 200 mA, when using 20 m 65.617 ft length cable)
• Leakage current: 0.1 mA or less (Including power supply OFF condition)
• Maximum load capacity: 0.22 micro F (No load to maximum output current)
• Load wiring resistance: 3Ωor less


• Maximum sink current: 200 mA
• Applied voltage: Same as supply voltage (between the control output and 0 V)
• Residual voltage: 2.5 V or less (sink current 200 mA, when using 20 m 65.617 ft length cable)
• Leakage current: 0.1 mA or less (Including power supply OFF condition)
• Maximum load capacity: : 0.22 micro F (No load to maximum output current)
• Load wiring resistance: 3Ωor less
Control outputs (OSSD 1, OSSD 2):Operation modeON when all beam channels are received, OFF when one or more beam channels are interrupted (OFF also in case of any malfunction in the safety light curtain or the synchronization signal)
(Note) During muting, control output will not turn off even if the beams are interrupted.
(Note) When the blanking function is enabled, the operating mode will change.
Control outputs(OSSD1, OSSD2):Protection circuitIncorporated
Response timeOFF response: 14 ms or less
ON response: 80 to 90 ms
Auxiliary Output (Non-Safety Output)PNP open-collector transistor / NPN open-collector transistor (switching method)


• Maximum source current: 60 mA
• Applied voltage: Same as supply voltage (between the auxiliary output and +V)
• Residual voltage: 2.5 V or less (source current 60 mA, when using 20 m 65.617 ft length cable)


• Maximum sink current: 60 mA
• Applied voltage: Same as supply voltage (between the auxiliary output and 0 V)
• Residual voltage: 2.5 V or less (sink current 60 mA, when using 20 m 65.617 ft length cable)
Auxiliary Output (Non-Safety Output): Operation ModeOFF when control outputs are ON, ON when control outputs are OFF (Factory setting, operating mode can be changed using the SFB-HC handy-controller.)
Auxiliary Output (Non-Safety Output): Protection CircuitIncorporated
Muting auxiliary output-
Muting auxiliary output:Operation mode-
Muting auxiliary output:Protection circuit-
ELCA functionIncorporated (reducing mutual interference automatically)
Emission halt functionIncorporated
Interlock functionIncorporated [Manual reset / Auto reset]
(Note) The manual reset and automatic reset are possible to be switched depending on the wiring status.
External device monitoring functionIncorporated
Override function-
Muting function-
Large multi-purpose indicator function-
Optional functionsFixed blanking, floating blanking, light emitting amount control, auxiliary output switching, protecting, interlock setting changing, external relay monitor setting changing
(Note) In case of using optional function, the handy-controller SFB-HC is required.
Pollution degree3
Operating altitude2,000 m 6,561.68 ft or less
(Note) Do not use or store in an environment pressurized to atmospheric pressure or higher at an altitude of 0 m.
Environmental resistance:Degree of protectionIP65 (IEC)
Ambient Temperature-10 to +55℃ +14 to +131 ℉ (No dew condensation or icing allowed), Storage: –25 to +60 ℃ –3 to +140 ℉
Ambient Humidity30 to 85 % RH, Storage: 30 to 85 % RH
Ambient IlluminanceIncandescent light: 3,500 liter x or less at the light-receiving face
Environmental resistance:Dielectric strength voltage1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance20 MΩ or more, with 500 V DC megger between all supply terminals connected together and enclosure
Vibration resistance10 to 55 Hz frequency, 0.75 mm 0.030 in amplitude in X, Y and Z directions for two hours each
Shock resistance300 m / s2 acceleration (30 G approx.) in X, Y and Z directions for three times each
Emitting ElementInfrared LED (Peak emission wavelength: 850 nm 0.033 mil)
MaterialEnclosure: Polycarbonate
Cable0.15 mm2 (power line: 0.2 mm2) 8-core heat-resistant PVC cable, 5 m 16.404 ft long
Cable ExtensionExtension up to total 50 m 164.042 ft is possible for 0.2 mm2 or more, cable
(Note) When the synchronization+ wire (orange) and synchronization- wire (orange / black) is extended with a cable other than exclusive cable, use a 0.2 mm2 or more shielded twisted pair cable.
AccessoriesSF4B-TR25 (Test rod): 1 pc.

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