Specs : Safety Interlock Switches - GS-M series | KEYENCE International Belgium

Main Unit for hinged door

Model		GS-M51P	GS-M51N	GS-M53P	GS-M91P	GS-M91N	GS-M93P
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Type		For hinged door Small M12 Connector Standard		For hinged door Small M12 Connector Advanced function	For hinged door High-holding force M12 Connector Standard		For hinged door High-holding force M12 Connector Advanced function
Holding force when locked		500N			900N
Holding force when unlocked		Approx. 30N ^*1			Approx. 50N ^*1
Cascading		Max. 20 units			Max. 16 units
Operating distance	Sao(OFF→ON)	0.1 mm ^*2
	Sar(ON → OFF)	15 mm ^*2
Response time (ms)	Lock→Unlock	250 ms ^*3
	Unlock→Lock
	Detect→ Not detect	20 ms + 2 ms × (number of cascaded unit -1) ^*3
	Not detect→ Detect	300 ms + 25 ms × (number of cascaded unit -1) ^*3
Control output (OSSD output)	Output	Transistor outputs × 2
	Max. load current	150 mA
	Residual voltage (during ON)	Max. 2.5 V (with a cable length of 5 m) Max. 3.5 V (with a cable length of 31 m)
	OFF state voltage	Max. 2.0 V (with a cable length of 5 m) Max. 3.0 V (with a cable length of 31 m)
	Leakage current	Max. 0.5 mA
	Max. capacitive load	0.8 uF
	Load wiring resistance	Max. 2.5Ω
AUX (Non-safety related output)	Output	Transistor output (Only advanced function type has two outputs.)
	Max. load current	50 mA
	Residual voltage (during ON)	Max. 2.5 V(with a cable of 5 m) Max. 3.5 V(with a cable of 31 m)
External input (Short-circuit current)	Safety input	Approx. 1.5 mA × 2
	Reset/EDM input	Approx. 5 mA (For advanced function type only)
	Lock control input	Approx. 2.5 mA
	OSSD operation switchin input	Approx. 2.5 mA (For advanced function type only)
Applicable Standards (Safety)		EN61508, IEC61508(SIL3), EN ISO13849-1:2015(PL e, Category 4), EN ISO14119(Type4), IEC60947-5-3, EN60947-5-3, UL 60947-5-2
Protection circuit		Reverse current protection, short-circuit protection and surge protection for each output
Power supply	Power voltage	24 V DC ±20 % (Ripple P-P 10% or less, Class2)
	Power consumption	5 W			6 W
Environmental resistance	Enclosure rating	IP65/67 (IEC60529)
	Operating ambient temperature	-20 to 55°C(No freezing)
	Operating relative humidity	5% to 95%RH
	Storage temperature	-25 to 70°C(No freezing) ^*4
	Storage relative humidity	5% to 95%RH
	Vibration resistance	10 to 55 Hz, Double amplitude 2.0 mm, 5 minutes in each of the X, Y, and Z directions (IEC 60947-5-3)
	Shock resistance	30 G in X, Y, Z directions 6 times each axis (IEC 60947-5-3)
Material	Main unit	PBT, PET/PAR, TPC, PC, Nickel-plated steel
	Actuator	PBT, SUS304, Nickel-plated steel			PBT, Painted steel, Nickel-plated steel
	Mounting bracket	Aluminum (Plate and screw: Steel)
Weight	Main unit	Approx.250 g			Approx.480 g
	Actuator	Approx.160 g			Approx.250 g
^1 When the actuator is pulled first after unlocked, the holding force increases. ^2 Due to the flexible structure of the actuator, the guard can open 3.8 mm larger than the "Sar". The clearance between the actuator and the main unit may be narrowed by a maximum of 2.3 mm due to the magnet power built into the actuator. ^3 Risk time according to IEC60947-5-3 is 150 ms + 2 ms × (number of cascaded units -1). ^4 When stored for a long period of time, please store it at temperature of 55°C or lower.

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Main unit for sliding door

Model		GS-ML51P	GS-ML51N	GS-ML53P
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Type		For sliding door M12 Connector Standard		For sliding door M12 Connector Advanced function
Holding force when locked		500N
Holding force when unlocked		Approx. 30N ^*1
Cascading		Max. 20 units
Operating distance	Sao(OFF→ON)	0.1 mm ^*2
	Sar(ON → OFF)	15 mm ^*2
Response time (ms)	Lock→Unlock	250 ms ^*3
	Unlock→Lock
	Detect→ Not detect	20 ms + 2 ms × (number of cascaded unit -1) ^*3
	Not detect→ Detect	300 ms + 25 ms × (number of cascaded unit -1) ^*3
Control output (OSSD output)	Output	Transistor outputs × 2
	Max. load current	150 mA
	Residual voltage (during ON)	Max. 2.5 V (with a cable length of 5 m) Max. 3.5 V (with a cable length of 31 m)
	OFF state voltage	Max. 2.0 V (with a cable length of 5 m) Max. 3.0 V (with a cable length of 31 m)
	Leakage current	Max. 0.5 mA
	Max. capacitive load	0.8 uF
	Load wiring resistance	Max. 2.5Ω
AUX (Non-safety related output)	Output	Transistor output (Only advanced function type has two outputs.)
	Max. load current	50 mA
	Residual voltage (during ON)	Max. 2.5 V(with a cable of 5 m) Max. 3.5 V(with a cable of 31 m)
External input (Short-circuit current)	Safety input	Approx. 1.5 mA × 2
	Reset/EDM input	Approx. 5 mA (For advanced function type only)
	Lock control input	Approx. 2.5 mA
	OSSD operation switchin input	Approx. 2.5 mA (For advanced function type only)
Applicable Standards (Safety)		EN61508, IEC61508(SIL3), EN ISO13849-1:2015(PL e, Category 4), EN ISO14119(Type4), IEC60947-5-3, EN60947-5-3, UL 60947-5-2
Protection circuit		Reverse current protection, short-circuit protection and surge protection for each output
Power supply	Power voltage	24 V DC ±20 % (Ripple P-P 10% or less, Class2)
	Power consumption	5 W
Environmental resistance	Enclosure rating	IP65/67 (IEC60529)
	Operating ambient temperature	-20 to 55°C(No freezing)
	Operating relative humidity	5% to 95%RH
	Storage temperature	-25 to 70°C(No freezing) ^*4
	Storage relative humidity	5% to 95%RH
	Vibration resistance	10 to 55 Hz, Double amplitude 2.0 mm, 5 minutes in each of the X, Y, and Z directions (IEC 60947-5-3)
	Shock resistance	30 G in X, Y, Z directions 6 times each axis (IEC 60947-5-3)
Material	Main unit	PBT, PET/PAR, TPC, PC, Nickel-plated steel
	Actuator	PBT, SUS304, Nickel-plated steel
	Mounting bracket	Aluminum, Painted steel (screw: Steel)
Weight	Main unit	Approx.240 g
	Actuator	Approx.130 g
^1 When the actuator is pulled first after unlocked, the holding force increases. ^2 Due to the flexible structure of the actuator, the guard can open 3.8 mm larger than the "Sar". The clearance between the actuator and the main unit may be narrowed by a maximum of 2.3 mm due to the magnet power built into the actuator. ^3 Risk time according to IEC60947-5-3 is 150 ms + 2 ms × (number of cascaded units -1). ^4 When stored for a long period of time, please store it at temperature of 55°C or lower.

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Wiring saving unit

Model		GS-T01
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Response time (ms)	Lock / Unlock	Response time of GS-M/GS + 110 ms + 70 ms × (number of cascaded unit -1) ^*1
	OSSD	Response time of GS-M/GS ^*2
	AUX	Response time of GS-M/GS + 60 ms + 30 ms × (number of cascaded unit -1)
AUX (Non-safety related output)	Output	Transistor output × 8
	Max. load current	20 mA
	Residual voltage (during ON)	Max. 2.5 V (with a cable length of 2 m)
Lock control input		Approx. 2.5 mA×2
Protection circuit		Reverse current protection, short-circuit protection and surge protection
Power supply	Power voltage	24 V DC ±20 % (Ripple P-P 10% or less, Class2)
	Power consumption	0.8 W
Environmental resistance	Operating ambient temperature	-20 to 55°C(No freezing)
	Operating relative humidity	5% to 95%RH
	Storage temperature	-25 to 70°C(No freezing)
	Storage relative humidity	5% to 95%RH
	Vibration resistance	10 to 55 Hz, Double amplitude 2.0 mm, 5 minutes in each of the X, Y, and Z directions (IEC 60947-5-3)
	Shock resistance	30 G in X, Y, Z directions 6 times each axis (IEC 60947-5-3)
Material		Case: PBT Cable:PVC
Weight		Approx. 290 g
^1 When using the GS-71PC, the response time from "Unlock" to "Lock" increases by 200 ms per unit. ^2 When using the GS-71PC, the response time is fixed at 20 ms + 2 ms x (number of cascaded units-1), and the "Sar" is fixed at 10.5 mm.