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SF4B-A24CA-J05 | Compact Safety Light Curtain[Type4 PLe SIL3] SF4B-C


Compact Safety Light Curtain[Type4 PLe SIL3] SF4B-C

*Photo may vary from actual product.

  • RoHS Compliant This product has been confirmed that it does not contain the 6 substances specified in EU RoHS Directive 2011/65/EU and the 4 substances specified in 2015/863/EU.  


Product Number SF4B-A24CA-J05
Part Number SF4B-A24CA-J05
Product Compact Safety Light Curtain[Type4 PLe SIL3]
Details Min. sensing object ø45 mm ø1.772 in (40 mm 1.575 in beam pitch)
Product name Compact Safety Light Curtain[Type4 PLe SIL3] SF4B-C

As of October 04, 2022
Specifications and design of the products are subject to change without notice for the product improvement.

Spec Detail

Item Specifications
Product Number SF4B-A24CA-J05
Part Number SF4B-A24CA-J05
No. of beam channels 24
Protective height 983.4 mm 38.717 in
Current consumption:Large multipurpose indicator lights off Emitter: 70 mA or less
Receiver: 85 mA or less
Current consumption:Large multipurpose indicator lights up Emitter: 80 mA or less
Receiver: 95 mA or less
PFHD 2.7 × 10-9
(Note) Probability of dangerous failure per hour.
MTTFD 100 years or more
(Note) Mean time to dangerous failure.
Net weight (Total of emitter and receiver) approx. 1,100 g
Applicable standards:International standard IEC 61496-1 / 2 (Type 4), ISO 13849-1 (Category 4, PLe), IEC 61508-1 to 7 (SIL3)
Applicable standards:Japan JIS B 9704-1 / 2 (Type 4), JIS B 9705-1 (Category 4), JIS C 0508 (SIL3)
Applicable standards:Europe 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 America ANSI / 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 range 0.3 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 compliance Machine Directive, EMC Directive, RoHS Directive
Beam pitch 40 mm 1.575 in
Min. sensing object ø 45 mm ø 1.772 in opaque object
(Note) In case the blanking function is valid, the operation mode is changed.
Effective aperture angle plus 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 voltage 24 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: 3 Ω or 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: 3 Ω or less
Control outputs (OSSD 1, OSSD 2):Operation mode ON 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 circuit Incorporated
Response time OFF 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 mode OFF 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 circuit Incorporated
Muting auxiliary output NPN open-collector transistor
• Maximum sink current: 100 mA
• Applied voltage: Same as supply voltage (between the muting auxiliary output and 0 V)
• Residual voltage: 2.5 V or less (sink current 100 mA, when using 20 m 65.617 ft length cable)
Muting auxiliary output:Operation mode When muting auxiliary output: ON
Muting auxiliary output:Protection circuit Incorporated
ELCA function Incorporated (reducing mutual interference automatically)
Emission halt function Incorporated
Interlock function Incorporated [Manual reset / Auto reset]
(Note) The manual reset and automatic reset are possible to be switched depending on the wiring status.
External device monitoring function Incorporated
Override function Incorporated
Muting function Incorporated
Large multi-purpose indicator function Incorporated
Optional functions Muting setting changing, override setting changing, fixed 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 degree 3
Operating altitude 2,000 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 protection IP65 (IEC)
Environmental resistance:Ambient temperature -10 to +55℃ +14 to +131 ℉ (No dew condensation or icing allowed), Storage: –25 to +60 ℃ –3 to +140 ℉
Environmental resistance:Ambient humidity 30 to 85 % RH, Storage: 30 to 85 % RH
Ambient illuminance Incandescent light: 3,500 liter x or less at the light-receiving face
Environmental resistance:Voltage withstandability 1,000 V AC for one min. between all supply terminals connected together and enclosure
Environmental resistance:Insulation resistance 20 MΩ or more, with 500 V DC megger between all supply terminals connected together and enclosure
Environmental resistance:Vibration resistance 10 to 55 Hz frequency, 0.75 mm 0.030 in amplitude in X, Y and Z directions for two hours each
Environmental resistance:Shock resistance 300 m / s2 acceleration (30 G approx.) in X, Y and Z directions for three times each
Emitting element Infrared LED (Peak emission wavelength: 850 nm 0.033 mil)
Material Enclosure: Polycarbonate
Cable 0.15 mm2 (power line: 0.2 mm2) 12-core heat-resistant PVC cable with connector, 0.5 m 1.640 ft long
Cable extension Extension up to total 50 m 164.042 ft is possible for both emitter and receiver optional mating cables
Accessories -

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Accessories (Option)

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Product Number MS-SF4BC-1
Part Number MS-SF4BC-1
Product name Mounting bracket
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Product Number MS-SF4BC-2
Part Number MS-SF4BC-2
Product name Mounting bracket
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Product Number MS-SF4BC-3
Part Number MS-SF4BC-3
Product name Mounting bracket


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