White Rodgers 120 User Manual

TYPE 120
To prevent electrical shock
and/or equipment damage, dis-
connect electric power to sys-
tem at main fuse or circuit
breaker box until installation
is complete.
WARNING
!
Fig. 1
Single Pole Normally Open (Isolated Coil)
Interrupteur Unipolaire De Travail (Bobine Isolée)
Unipolar Normalmente Abierto (Bobina Separada)
A
B
B
CC
WHITE-RODGERS
EMERSON ELECTRIC CO.
9797 REAVIS ROAD
ST. LOUIS, MISSOURI 63123-5398
www.white-rodgers.com
PART NO./No. DE PIÈCE/No. DE PARTE 37-6347A
0152
Pour éviter les risques
d’électrocution et/ou de dégâts
de l’équipement, il faut
débrancher l’alimentation
électrique du système au fus-
ible ou au coupe-circuit prin-
cipal jusqu’à la fin de
l’intervention.
Para evitar el choque eléctrico
y/o el daño en el equipo,
desconecte la energía eléctrica
que va al sistema en el fusible
principal o en la caja de
interruptores de circuito, hasta
que se haya completado la
instalación.
WARNING
!
WARNING
!
A
Wiring Diagram (Terminal Identification)
B
Coil
C
N.O. Contacts
D.C. POWER CONTACTOR
SERVICE INSTRUCTIONS
CONTACTEUR C.C.
INSTRUCTIONS D'ENTRETIEN
CONTACTOR CON ENERGÍA DE
CORRIENTE CONTINUA
INSTRUCCIONES DE SERVICIO
A
Diagrama De Cableado (Identificación De
Terminales)
B
Bobina
C
Contactos Normalmente Abiertos
A
Schéma De Câblage (Identification Des
Bornes)
B
Bobine
C
Contacts De Travail
SPECIFICATIONS:
Insulated Coil Terminals
Preferred Mounting Position–Coil
Terminals Up
CARACTÉRISTIQUES:
Bornes Isolées De Bobine
Position De Montage Privilégiée -
Bornes De Bobine Excitées
ESPECIFICACIONES:
Terminales De La Bobina Aislados
Posición De Montaje Preferida -
Terminales De La Bobina Arriba
Voltage
(VDC Max.)
Contact
Contact
Contacto
Duty Cycle / Cycle de service / Ciclos de Servicio
120-105711
120-105851
120-106131
120-106132
120-107112
12
12
12
12
14
12
12
12
12
14
Continuous / Continu / Continuo
Continuous / Continu / Continuo
Intermittent / Intermittent / Intermitente
Intermittent / Intermittent / Intermitente
Continuous / Continu / Continuo
Coil
Bobine
Bobina
Tension
(Vc.c. maxi.)
Voltage
(VDC max.)

White Rodgers 120 Specifications

General

Brand	White Rodgers
Model	120
Category	Relays
Language	English

Summary

General Safety Warnings

Electrical Shock and Equipment Damage Prevention

Disconnect electric power before installation to prevent electrical shock and equipment damage.

Contactor Specifications

Terminal and Mounting Details

Describes insulated coil terminals and the preferred mounting position with coil terminals up.

Wiring Diagram Identification

Terminal and Component Labels

Identifies terminals and components in the wiring diagram (A: Wiring, B: Coil, C: Contacts).

Application Notes

Battery Charging Circuits

Contactors in battery charging circuits need overvoltage protection for service life.

Fail-Safe Circuit Design

Circuits must ensure safe operation if the contactor fails in open or closed position.

Installation Wrench Usage

Use a backup wrench to hold the bottom nut stationary during installation.