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| The shape is square. The metal switch head can be adjusted in four directions. The spring force is released by the electromagnetic coil excitation to unlock. It is equipped with a standard auxiliary unlocking mechanism. The independent circuit indicator light can be used for various purposes. It has six built-in contacts that can be wired in various ways. |
| Ordering Information |  |
Switch model | Locking/releas method | Material | Conduit opening/connector |
D3NL-D 4NC+2NO | Electromagnetic locking/mechanical release | Metal | M20 |
D3NL-D 2NC/1NO+2NC/1NO | Electromagnetic locking/mechanical release | Plastic | M20 |
D3NL-J 2NC/1NO+2NC/1NO | Mechanical locking/electromagnetic release | Plastic | M20 |
D3NL-D 3NC+2NC/1NO | Electromagnetic locking/mechanical release | Plastic | M20 |
D3NL-J 3NC+2NC/1NO | Mechanical locking/electromagnetic release | Plastic | M20 |
D3NL-D 2NC/1NO+3NC | Electromagnetic locking/mechanical release | Plastic | M20 |
D3NL-J 2NC/1NO+3NC | Mechanical locking/electromagnetic release | Plastic | M20 |
D3NL-D 3NC+3NC | Electromagnetic locking/mechanical release | Plastic | M20 |
D3NL-J 3NC+3NC | Mechanical locking/electromagnetic release | Plastic | M20 |
Model | Material | Wiring diagram | Operation mode | ||||
Door monitoring | Lock monitoring | ||||||
|  ：Contact OFF | ||||||
D3NL-D 4NC+2NO | Metal |  |  | ||||
Model | Material | Door monitoring | Lock monitoring |
|
| ||
/ | / |  |  | ||||
D3NL-D 2NC/1NO+2NC/1NO | Plastic |  |  | ||||
D3NL-J 2NC/1NO+2NC/1NO | |||||||
D3NL-D 3NC+2NC/1NO |  |  | |||||
D3NL-J 3NC+2NC/1NO | |||||||
D3NL-D 2NC/1NO+3NC |  |  | |||||
D3NL-J 2NC/1NO+3NC | |||||||
D3NL-D 3NC+3NC |  |  | |||||
D3NL-J 3NC+3NC | |||||||
Handle Type |
Product Name | Safety bolt | |
Model | BS11 | |
Type | Ordinary handle | |
Configure the door lock | D3NL series | |
Picture |  |  |
| Locking tongue type |
Direct-Insertion Mounting Type Z | Long-L Mounting Type ZL | Wide-Mount Type K | Short-L Mounting Type KL | Movable Installation Type H |
|
|
|  |  |
| Contact Capacity |
Rated Voltage | 30V | 250V | ||
Rated Current | AC | Resistive Load（AC-12） | — | 4A |
Inductive Load（AC-15） | — | 2A | ||
DC | Resistive Load（DC-12） | 2A | 0.8A | |
Inductive Load（DC-13） | 1A | 0.4A | ||
| Performance |
Security Certificate | Mechanical reliability | B10d = 2.5×10? operating at a load of 100 mA. According to ISO 13849-1, up to Performance Level e (PLe), depending on the system architecture. According to EN 62061, up to SIL 3, depending on the system architecture |
Safety data | 8 cycles per hour, 24 hours per day, 365 days per year. MTTFd is 356 years | |
Protection Rating | IP67 | |
Service Life*1 | Mechanical | No less than 1 million times |
No less than 100000 times（AC-12 250V 4A） | ||
Electrical | ||
No less than 1 million times（24V AC/DC 100mA） | ||
Operation progress | 0.5m/s | |
Operation frequency | Maximum 30次/min | |
Forced disconnection force*2 | Minimum 60N | |
Forced disengagement of travel*2 | Minimum 10mm | |
Minimum applicable load | 24V DC 4mA | |
Degree of pollution (operating environment) | Pollution Degree 3 | |
Contact Capacity | 24V(DC13 4A)/230V (DC15 4A) | |
With Electromagnetic Coil | Rated Voltage：DC 24V Rated Current:0.4A Insulation Class:Class B | |
Ambient Temperature | -5-40℃ | |
| Model and contact composition |
Model | Contact Configuration: | Contact Form | Action Mode |
D3NL | 4NC+2NO |  |  |
| Magnetic Coil |
rated voltage | DC24V+10% |
rated current | 0.4A |
insulation grade | Class B |
| External Dimensions and Installation Size |
| Dimensions | Installation Size |
 |  |
| Head Installation Direction |
Installation Direction | Head Direction Adjustment |
 |  |
The head of the safety door switch can be adjusted in direction to accommodate a wider range of installation environments. The housing position remains unchanged; only the direction of the head is altered. | |
| Auxiliary Unlocking Instructions |
 | When the safety door switch is operating normally, the arrow points to the "Locked" mark, and the anti-rotation screw must be in a tightened state. In special circumstances such as equipment power-off or malfunction, if it is necessary to open the guard door, the screw next to the arrow knob should be loosened first. Then, use a tool to turn the arrow knob to the "Unlocked" mark. At this point, the safety door switch is unlocked, the latch pin can be removed, and the guard door can be opened. |
| Example Wiring Diagram for Safety Door Lock |
Product Name | Model | Safety Input | Output |
Safety Relay | SR-103 Series | 1 Set of Safety Products | 3NO+1NC |
Safety Controller | SM-302 Series | 3 Set of Safety Products | 2NO |
Safety Controller | SM-602 Series | 6 Set of Safety Products | 2NO+4SO |
Instructions | Input product Emergency Stop Button，Safety door lock、Two-Hand Control Button、Safety curtain、Reset, etc. | ||
Lihong Safety Equipment Engineering (Shanghai) Co., Ltd.
E-Mail: info@lh-safety.com
Address: 581 Xiuchuan Road, Chuansha Town, Pudong New District, Shanghai
(Greenland East Coast International Plaza-Room A 313)
Copyright ? Lihong Safety Equipment Engineering (Shanghai) Co., Ltd. ICP19034341-1 Technical Support: lanjujing
：Contact ON
