BCH NLLAM Heavy Duty Limit Switch NL - Adjustable Roller Lever, Maintained (IP67)
BCH NLLAM heavy duty limit switch, NL series, with rotary lever, maintained type, adjustable length 32 mm - 82.5 mm, 19 mm dia metal roller operating head. BCH NL series heavy duty limit switches are meant to work in highly contaminated atmosphere and extremely high shock and vibration conditions. Zinc die cast body, IP 67, snap action contacts, interchangeable operating heads, tested and certified as per IS / IEC 60947-5, CE and ISI marked; available with 1NO+1NC or 2NO+2NC contacts, screw terminal or pre-cabled.
Specifications
| Cat Code | NLLAM |
| Operating Head | Rotary lever, maintained type, adjustable length 32 mm - 82.5 mm, 19 mm dia metal roller |
| Enclosure | Zinc die cast |
| Features | Interchangeable heads ensure complete modularity and flexibility |
| Contact Arrangement | Snap action |
| Rated Insulation Voltage (Ui) | 600 VAC & 240 VDC |
| Thermal Current (Ith) | 10A |
| Conforming to Standards | IS / IEC 60947-5 |
| Product Certifications | CE & ISI marked |
| Ambient Air Temperature | -5 deg C to +40 deg C as per standard; can work satisfactorily at -25 deg C to +70 deg C ambient |
| Degree of Protection | IP 67 |
| Mechanical Durability | 20 x 10^6 operations |
| Frequency of Operations | 2500 operations per hour |
| Cable Entry | 19.0 mm dia (PG11) |
| Earthing Connections | M3.5 earthing screws (2 nos.) |
| Rated Operational Current AC-15 (1NO+1NC) | 110V 6.0A; 220V 3.0A; 440V 1.5A; 550V 1.2A |
| Rated Operational Current AC-15 (2NO+2NC) | 110V 3.0A; 220V 1.5A; 440V 0.8A; 550V 0.6A |
| Rated Operational Current DC-13 (1NO+1NC and 2NO+2NC) | 24V 1.0A; 60V 0.5A; 110V 0.2A; 220V 0.1A |
| Rated Impulse Withstand Voltage | 2.5 kV |
| Short Circuit Protection | HRC fuse 10A |
| Terminal Wire Size | 2.5 mm2 solid or stranded |
| Tightening Torque for Terminal Screw | 0.8 Nm (max.) |
| Pre-cabled Version | 2 m cable; 3 core x 1.5 sq. mm PVC flexible Cu (1NO+1NC), 6 core x 0.75 sq. mm (2NO+2NC) |
| Travel to Trip (A) | Max. 50 deg |
| Travel to Reset from Trip Point (B) | Max. 50 deg |
| Over Travel (C) | Min. 40 deg |
| Total Travel (D) | Min. 90 deg |
| Force to Trip (max.) | 0.5 kg at a radius of 38 mm |
Ordering / Variants
NLLAM = 1NO+1NC screw terminals; NLLAMC = 1NO+1NC pre-cabled; NLLAM-22 = 2NO+2NC screw terminals; NLLAM-22C = 2NO+2NC pre-cabled. Spares: operating head SP40HLM, lever SP40LA, limit switch unit assembly SP40S1 (1NO+1NC) / SP40S2 (2NO+2NC), oil tight conduit SP40CE.
Typical Applications
Conveyor systems; injection moulding; tapping machine; drilling machine; foods & beverages; special purpose machine; hydraulic power presses; material handling; packaging machine; EOT cranes
Datasheet, certificates and quotation on request - info@west-velocity.com.
