Pizzato Elettrica ST GD420MK-G1T

Manufacturer

Pizzato Elettrica

Part number

ST GD420MK-G1T

Country

Italy

Type

Safety sensor

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The ST GD420MK-G1T is a high-performance safety sensor designed for industrial applications requiring advanced safety measures. Its RFID-based technology offers a reliable solution for machine safety, suitable for use in aggressive environments such as food processing and pharmaceuticals.

The symmetrical design allows installation on both left and right doors, with simple rotation of the sensor for adaptability. The 22 mm mounting hole spacing ensures compatibility with existing setups, enabling easy upgrades from traditional magnetic sensors without additional modifications.

The sensor features a robust glass-fiber reinforced technopolymer housing with a protection rating of IP67 and IP69K, ensuring durability against high-pressure and high-temperature jets. Its integrated M12 stainless steel connector enhances resilience and simplifies installation.

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GENERAL DATA
SIL (SIL CL)	SIL 3 acc. to EN 62061
Performance Level (PL)	PL e acc. to EN ISO 13849-1
Safety category	cat. 4 acc. to EN ISO 13849-1
Interlock, no contact, coded	type 4 acc. to EN ISO 14119
Level of coding	High with SM •1T actuators
MTTFD	1551 years
PFHD	1.19E-09
DC	High
Mission time	20 years
Ambient temperature (without cable)	-25°C … +70°C (-13°F … 158°F)
Ambient temperature (with cable)	See table on page 63
Storage and transport temperature	-35°C … +85°C (-31°F … 185°F)
Vibration resistance	10 gn (10 … 150 Hz) acc. to IEC 60068-2-6
Shock resistance	30 gn; 11 ms acc. to EN 60068-2-27
Pollution degree	3
Screw tightening torque	0.8 … 1 Nm
SUPPLY
Rated operating voltage Ue	24 Vdc (-15% … +10%) SELV/PELV
Operating current at Ue voltage	Minimum: 20 mA Maximum (all outputs): 550 mA
Rated insulation voltage Ui	32 Vdc
Rated impulse withstand voltage Uimp	1.5 kV
External protection fuse	1 A type Gg or equivalent device
Overvoltage category	III
ELECTRICAL DATA SAFETY OUTPUTS
Rated operating voltage Ue2	24 Vdc
Output type	PNP type OSSD
Maximum current per output Ie2	0.2 A
Minimum current per output Im2	0.5 mA
Thermal current Ith2	0.2 A
Utilization category	DC13; Ue2=24 Vdc, Ie2=0.2 A
Short circuit detection	Yes
Overcurrent protection	Yes
Internal self-resettable protection fuse	0.3 A
Deactivation impulses at safety outputs	< 300 µs
Permissible capacitance (outputs)	< 200 nF
Permissible capacitance (output-ground)	< 200 nF
Response time (input deactivation)	< 15 ms
Response time (actuator removal)	< 50 ms
Availability time	2 s
ACTUATION DATA
Assured operating distance Sao	8 mm
Assured release distance Sar	20 mm
Rated operating distance Sn	11 mm
Rated release distance Snr	13 mm
Repeat accuracy	≤ 10 % sn
Differential travel	≤ 20 % sn
RFID transponder frequency	125 kHz
Max. switching frequency	1 Hz
Distance between two sensors	Min. 50 mm

Specifications ST GD420MK-G1T

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