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Siemens 3SB1201-4LB01 Safety Lock 0-I

Siemens 3SB1201-4LB01 Safety Lock with 1NO+1NC contacts.

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ManufacturerSiemens
Part number3SB1201-4LB01
Type Safety Lock
Operation Maintained (0-I)
Contacts 1 NO + 1 NC
Front Ring Molded-plastic
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12-month warranty
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Same-day dispatch
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Worldwide delivery
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Veteran-owned
CAGE: 9NK75
Maintained contact operation (0-I) Includes 1 NO + 1 NC contact block Molded-plastic front ring Safety interlock function Durable construction

The Siemens 3SB1201-4LB01 is a safety lock designed for industrial control panels and machinery. It features a maintained contact operation for the '0-I' positions (Off-On). This unit comes complete with a contact block offering 1 Normally Open (NO) and 1 Normally Closed (NC) contact, and is fitted with a molded-plastic front ring for a secure and durable installation.

This safety lock is crucial for ensuring that equipment is operated safely, preventing unauthorized or accidental activation. It is commonly used in machine guarding systems, emergency stop circuits, and other safety-critical applications where a physical lock-out is required.

Stanlo Automation, a veteran-owned surplus distributor, provides essential safety components like the Siemens 3SB1201-4LB01. We help you maintain compliance and safety standards in your industrial operations by offering reliable surplus parts.

TypeSafety Lock
OperationMaintained (0-I)
Contacts1 NO + 1 NC
Front RingMolded-plastic
Series3SB1
Machine guarding
Emergency stop circuits
Safety interlocks
Access control
Industrial control panels
Industrial control panels Safety circuits Machine safety systems
Siemens 3SB1 Lock 3SB1201 4LB01 Siemens Safety Interlock Switch
This safety lock is a direct replacement for existing Siemens 3SB1 series safety switches or can be integrated into new safety circuits requiring maintained 0-I operation with 1NO/1NC contacts.
Expert tip
Ensure that the contact block is securely attached to the actuator and that the safety circuit is properly designed and tested according to relevant safety standards.
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What type of contacts are included with the Siemens 3SB1201-4LB01 safety lock?
The Siemens 3SB1201-4LB01 safety lock is supplied with a contact block that provides one Normally Open (NO) contact and one Normally Closed (NC) contact. This allows for flexible integration into safety circuits.