OMRON Scientific Technologies, Inc.
6550 Dumbarton Circle
Fremont, CA 94555 USA
Toll Free: 888-510-4357   Tel: 510-608-3400   Fax: 510-744-1442
E-Mail: sales@sti.com    Web site: www.sti.com
All Categories > Safety Interlock Switches > Limit Type Safety Interlock Switches > D4B-N Safety Limit Switch > D4B-N Safety Limit Switch > View Items  

D4B-N Safety Limit Switch

 
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Snap-action contact with approved direct opening operation certification .
Maintenance, seal, and resistance to shock increased and direct opening mechanism added.
Three-conduit switches and 2NC switches are also available.
  • Direct opening mechanism (NC contacts only) added to enable opening contacts when faults occur, such as fused contacts.
  • Wide standard operating temperature range: –40°C to 80°C (standard type).
  • Safety of lever settings ensured using a mechanism that engages a gear between the operating position indicator plate and the lever.
  • Equipped with a mechanism that indicates the applicable operating zone, as well as push-button switching to control left and right motion.
  • Approved standards: UL, CSA, EN (TÜV), SUVA, BIA, and CCC.
  • Head seal structure strengthened to improve seal properties (TÜV: IEC IP67, UL: NEMA 3, 4, 4X, 6P, and 13).
  • Models with gold-plated contacts added to the series to enable handling microloads.
Note: Contact your sales representative for details on models with safety standard certification.

Note: In addition to the above models, models compatible with the previous D4B Switches (with standard rotary levers) are available. Model number examples: D4B-1x1RN(Pg13.5) or D4B-2x1RN(PF1/2)

Ordering Switches

Because the D4B-xN employs a block mounting construction, parts may be ordered as a complete assembled set or individually as replacement parts. Switches ordered as sets are assembled before shipping.
Note: Do not order combinations of only a Side Rotary Lever and Head or a Side Rotary Lever and Switch Box.

Click on a part number below to access the 3D/2D CAD Drawings.



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Item #

Model

Shipping requirements

Conduit

Conduit Entry

Built-in Switch

Actuator

Degree of Protection

Durability Mechanical
D4B-2117N General-Purpose Limit Switches Normally in Stock Canada G1/2 (PF1/2) N/A 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) 30000000 operations min
D4B-6117N General-Purpose Limit Switches Request Availability G1/2 3-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) 30000000 operations min
D4B-5181N General-Purpose Limit Switches Request Availability Pg13.5 3-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) 30000000 operations min
D4B-6181N General-Purpose Limit Switches Request Availability G1/2 3-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) 30000000 operations min
D4B-6187N General-Purpose Limit Switches Request Availability G1/2 3-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) 30000000 operations min
D4B-2516N General-Purpose Limit Switches Request Availability G1/2 (PF1/2) N/A 1NC/1NO (slow-action) IP67 (EN60947-5-1) 10000000 operations min
D4B-5517N General-Purpose Limit Switches Request Availability Pg13.5 3-conduit 1NC/1NO (slow-action) IP67 (EN60947-5-1) 10000000 operations min
D4B-6517N General-Purpose Limit Switches Request Availability G1/2 3-conduit 1NC/1NO (slow-action) IP67 (EN60947-5-1) 10000000 operations min
D4B-2A16N General-Purpose Limit Switches Request Availability G1/2 (PF1/2) N/A 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-2A17N General-Purpose Limit Switches Request Availability G1/2 (PF1/2) N/A 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-5A17N General-Purpose Limit Switches Request Availability Pg13.5 3-conduit 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-6A17N General-Purpose Limit Switches Request Availability G1/2 3-conduit 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-5A81N General-Purpose Limit Switches Request Availability Pg13.5 3-conduit 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-6A81N General-Purpose Limit Switches Request Availability G1/2 3-conduit 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-2A87N General-Purpose Limit Switches Request Availability G1/2 (PF1/2) N/A 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-3A87N General-Purpose Limit Switches Request Availability 1/2-14NPT N/A 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-5A87N General-Purpose Limit Switches Request Availability Pg13.5 3-conduit 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-6A87N General-Purpose Limit Switches Request Availability G1/2 3-conduit 2NC (Slow-Action) IP67 (EN60947-5-1) 10000000 operations min
D4B-4111N Safety Limit Switches Normally in Stock US M20 1-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) N/A
D4B-4111N-NPT Safety Limit Switches Normally in Stock US 1/2-14NPT 1-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) N/A
D4B-4115N-NPT Safety Limit Switches Normally in Stock US 1/2-14NPT 1-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) N/A
D4B-4116N-NPT Safety Limit Switches Normally in Stock US 1/2-14NPT 1-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) N/A
D4B-4117N-NPT Safety Limit Switches Normally in Stock US 1/2-14NPT 1-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) N/A
D4B-4170N-NPT Safety Limit Switches Normally in Stock US 1/2-14NPT 1-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) N/A
D4B-4171N-NPT Safety Limit Switches Normally in Stock US 1/2-14NPT 1-conduit 1NC/1NO (Snap-Action) IP67 (EN60947-5-1) N/A
  Results 26 - 50 of 80 1 2 3 4 
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