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KROMA MEC SRL
FINECORSA DI POSIZIONE TIPO LS - Exd IIB

FINECORSA DI POSIZIONE TIPO LS - Exd IIB

Product catalog summary

Specifications:
The document describes products from Kroma mec S.r.l., focusing on compact designs suitable for hazardous environments. The products feature a wide range of actuators made from metal or self-extinguishing glass-fiber-reinforced polymer. They offer various adaptation and assembly options, with internal operating rods made of Stainless Steel AISI 303 and brass bushings OT 58 UNI 5705/65. External screws are stainless steel, except for some actuators with tropicalized steel components. The products have a 1/2” NPT entry.

Procedures and Standards:
The products are designed for use in explosive environments, adhering to ATEX and IECEx standards. They are suitable for Zone 1, Zone 21, Zone 2, and Zone 22, with temperature ratings from -50°C to +80°C. The limit switches are rated T6 and T5, with IP66/67 protection.

Recommendations:
The document suggests using these products in processes where safety and reliability are critical due to their robust construction and adaptability. They are equipped with features like entry and branching on three sides of the enclosure and come with plugs for unused entries.

Electrical Specifications:
The contact units have a thermal nominal current of 10 A, insulation voltage of 500 V AC / 600 V DC, impulse withstand voltage of 6 kV, and short-circuit current of 1000 A. They require a 10 A 500 V fuse for short-circuit protection, with a minimum conductor section of 1.5 mm² and a maximum current density of 5 A/mm².

Product Variants:
The document lists various lever and actuator configurations, including simple levers with wheels, angular levers with wheels, and rods with springs, among others. These configurations are designed to meet different operational needs and environments.

Catalog excerpts

FINECORSA DI POSIZIONE TIPO LS - Exd IIB-1

Forma compatta con caratteristiche ideali per I’impiego su processi pericolosi in ambienti con pericolo d’esplosione. costruzione semplice e robusta, dimensioni contenute con possibility di ingresso e derivazione sui tre lati della custodia. Completo di due tappi per la chiusura degli ingressi non usati. Vasta gamma di azionatori in metallo o in tecnopolimero rinforzato in fibra di vetro autoestinguente. Ampia possibility di adattamento e variety di montaggio. Asta interna di comando in acciaio inox AISI 303 su bussola in ottone OT 58 UNI 5705/65. Viteria esterna in acciaio inox ad eccezione degli azionatori che possono avere componenti in acciaio tropicalizzato. 1 imbocco 1/2” NPT. Compact design with ideal features for use in dangerous process and hazardous environments. Simple and rugged construction, compact size with the possibility of entry and branching on the three sides of the enclosure. Complete with two plugs for closing unused entries Wide range of actuators in metal or in self-estinguishing glass-fiber-reinforced polymer. Wide variety of options for adaptation and assembly. Internal operating rod in Stainless Steel AISI 303 on a brass bushing OT 58 UNI 5705/65. External screws in Stainless Steel except for actuators that may have components in tropicalized steel. 1 hole 1/2” NPT.

Open the catalog to page 1

FINECORSA DI POSIZIONE TIPO LS - Exd IIB-2

LEVA SEMPLICE CON ROTELLA LEVA ANGOLARE CON ROTELLA PERNO CON PROTEZIONE IN GOMMA PERNO ALLUNGATO ROTELLA CON PROTEZIONE IN GOMMA

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FINECORSA DI POSIZIONE TIPO LS - Exd IIB-3

PERNO CON SFERA INOX ASTA CON MOLLA INOX ASTA CON MOLLA INOX

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FINECORSA DI POSIZIONE TIPO LS - Exd IIB-4

PS… LEVA CON ASTA RIGIDA TONDA LEVA CON ASTA RIGIDA QUADRA LEVA CON ASTA PVC MOLLA INOX LEVA LUNGA CON ROTELLA LEVA CON ASTA RIGIDA NYLON

Open the catalog to page 4

FINECORSA DI POSIZIONE TIPO LS - Exd IIB-5

LEVA CON RULLO IN PORCELLANA LEVA ALLUNGABILE CON ROTELLA LEVA CON ROTELLA IN GOMMA LEVA ALLUNGABILE CON ROTELLA IN GOMMA

Open the catalog to page 5

FINECORSA DI POSIZIONE TIPO LS - Exd IIB-6

Corrente nominale termica: Tensione d’isolamento: Tensione di tenuta a impulso: Corrente di corto circuito: Protezione dai cortocircuiti: Sezione minima dei conduttori: Densita massima di corrente:

Open the catalog to page 6

FINECORSA DI POSIZIONE TIPO LS - Exd IIB-7

LEVA SEMPLICE CON ROTELLA LEVA ANGOLARE CON ROTELLA ASTA CON MOLLA INOX STELO CON MOLLA INOX

Open the catalog to page 7

FINECORSA DI POSIZIONE TIPO LS - Exd IIB-8

LEVA CON ASTA RIGIDA TONDA INOX LEVA LUNGA CON ROTELLA LEVA CON ASTA RIGIDA NYLON

Open the catalog to page 8

All KROMA MEC SRL catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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