Datasheet
AMETEK Prestolite Switch, Ipswich Rd, Cardiff, CF23 9XP, United Kingdom
Telephone +44 (0)29 2049 6763 Fax +44 (0)29 2046 2337
Certificate No. FM2258
BSEN ISO 9001
Design and Build
Thermal current rating (100%) 100 Amperes
Intermittent current rating
30% duty 180 Amperes
40% duty 160 Amperes
50% duty 150 Amperes
60% duty 130 Amperes
70% duty 120 Amperes
Typical fault currents which can be ruptured (5ms time constant)
JAA4600 & JAB4600 800 Amperes at 48V D.C.
JAA4670 & JAB4670 800 Amperes at 80V D.C.
JAC4600* & JAM4600* 800 Amperes at 48V D.C.
JAC4670* & JAM4670* 800 Amperes at 80V D.C.
JAD4600 & JAV4600 800 Amperes at 80V D.C.
*Normally open contacts, not normally closed contacts.
Maximum recommended contact voltages
JAA4600 & JAB4600 48V D.C.
JAA4670 96V D.C.
JAC4600 & JAM4600 48V D.C.
JAC4670 & JAM4670 96V D.C.
JAD4600 & JAV4600 96V D.C.
Typical voltage drop across contacts per 100 Amperes
JAA4600 & JAB4600 <40mV
JAD4600 & JAV4600 <(per pole) 50mV
JAC4600 & JAM4600 (normally open contacts) <40mV
JAC4600 & JAM4600 (normally closed contacts) <50mV
Mechanical life >5 x 10
6
Coil power dissipation
Intermittently rated types 15-20 Watts
Continuously rated types 7-14 Watts
Maximum pull-in voltage (coil at 20°C)
Intermittently rated types <60%V
Continuously rated types <66%V
Typical drop-out voltage 10-20%V
Pull-in time (n/o contacts to close) <20ms
Drop-out time (n/o contacts to open)
Without suppression <5ms
With diode suppression <50ms
With diode and resistor (depending on value) 8-20ms
Main contact changeover time (JAC4600 & JAM4600)
Normally closed to normally open <7ms
Normally open to normally closed <4ms
Typical contact bounce period <3ms
Auxiliary contact thermal current rating 5 Amperes
Auxiliary contact switching capacities (resistive load) 5A at 24V D.C.
2A at 48V D.C.
0·5A at 240V D.C.
PERFORMANCE DATA
CONNECTION DIAGRAMS
JAA JAB
JAM JAV
JADJAC