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Dual Monitoring Safety Door Switch with 1300N Tensile Strength and ISO14119 Compliance for Industrial Safety

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Safety Door Switch

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Dual Monitoring Safety Door Switch with 1300N Tensile Strength and ISO14119 Compliance for Industrial Safety

Brand Name:	VIFAR
Model Number:	VSD

Detail Information

Product Description

Detail Information

Place of Origin:

China

Certification:

CE UL

Highlight:

Dual Monitoring Safety Door Switch

1300N Tensile Strength Safety Interlock Switch

ISO14119 Compliant Industrial Safety Switch

Product Description

Safety Door Switch for Industrial Machinery Safety Guards

Product Overview

The VSD-K6 series safety door interlock switch is an electromagnetic guard locking safety interlock device designed for movable safety guards on industrial machinery, compliant with ISO14119. It provides dual monitoring of door status and lock status, preventing unexpected equipment startup when safety doors are open.

This series offers two working modes: mechanical locking with electromagnetic release, and electromagnetic locking with mechanical release. Multiple contact configurations (2NC/1NO, 3NC etc.) are available to meet different safety circuit requirements for PLd/PLe safety systems. Features built-in green DC24V pilot lamp for intuitive status indication.

Key Features

Dual monitoring: Door monitoring + Lock monitoring, feedback both guard position and lock state to safety control system
Two locking & release modes available to suit diverse machine safety schemes
M16 cable gland port for wiring, resin head, PA66 flame-retardant housing
Silver alloy gold-plated contacts, stable and long service life
IP67 protection (except key operation hole), suitable for harsh workshop environments
Built-in 24VDC green indicator lamp for on-site status visualization
High locking tensile strength up to 1300N, strong anti-forced opening capability
Mechanical service life ≥1,000,000 cycles; electrical life ≥150,000 cycles
Wide ambient temperature range: -20℃ ~ +60℃
Utilization category AC-15 / DC-13, rated open thermal current 10A

Technical Specifications

Shell Material	PA66 Flame retardant
Contact Material	Silver alloy gold plating
Protection Grade	IP67 (EN60947-5-01, Except for the key operation hole)
Service Life	Mechanical: over 1 million cycles; Electrical: over 150,000 cycles
Tensile Strength during locking	1300N
Rated Insulation Voltage	300V
Rated Impulse Withstand Voltage	2.5KV
Rated Open Thermal Current	10A
Utilization Category	AC-15 \| DC-13
Rated Operational Voltage	240V(AC) \| 30V(DC)
Rated Working Current	3A(AC) \| 2.3A(DC)
Rated Conditional Short-circuit Current	1000A
Forced detachment from action force	≥60N
Forced Separation Distance	≥10mm
Allow Operation Speed	0.05~0.5m/s
Max Operating Frequency	20 operations per minute
Ambient Temperature	-20℃~60℃, No freeze
Ambient Humidity	≤85%RH
Solenoid Rated Voltage	DC24V ±10%
Solenoid Rated Current	200mA (Initial value), Power 4.8W
Pilot Lamp	24VDC, 1mA, Green
Tube Mouth Size	M16

Model Variations

Model	Locking / Releasing Method	Contact Type (Door monitoring + lock monitoring)
VSD-K6-XD4ES	Mechanical locking, Electromagnetic release	2NC/1NO+2NC/1NO
VSD-K6-VB4ES	Mechanical locking, Electromagnetic release	3NC+2NC/1NO
VSD-K6-VC4ES	Mechanical locking, Electromagnetic release	2NC/1NO+3NC
VSD-K6-FD4ES	Mechanical locking, Electromagnetic release	3NC+3NC
VSD-K6-XD7ES	Electromagnetic locking, Mechanical release	2NC/1NO+2NC/1NO
VSD-K6-VB7ES	Electromagnetic locking, Mechanical release	3NC+2NC/1NO
VSD-K6-VC7ES	Electromagnetic locking, Mechanical release	2NC/1NO+3NC
VSD-K6-FD7ES	Electromagnetic locking, Mechanical release	3NC+3NC

Applications

Machine tools, packaging machinery
Conveyor systems, robot workcells
Injection molding machines, textile machinery
Automated production lines

Wiring & Contact Action

Each model integrates door monitoring circuit and lock monitoring circuit. The contact status changes with actuator insertion and lock status.

Locked position: Safety contacts keep closed for safety loop
Actuator extracted / Unlocked: Safety contacts cut off to trigger machine stop

Wiring diagram and contact action chart available in datasheet for engineering integration

Compatibility & Safety Standards

Conforms to ISO14119 (Interlocking devices associated with guards), can be matched with safety relays, safety PLC, to build Cat.3 / Cat.4, PL d / PL e safety control systems. Interchangeable with mainstream brands safety door interlock switches.

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