Output Specifications - Hitachi MICRO-EHV+ Applications Manual

Chapter 2 Specifications
2.7

Output specifications

(1) Relay output (All output on MV-*64DR, MV-*40DR, MV-*20DR)
Item
Rated load voltage
Minimum switching current
1 circuit
Maximum
load current
1 common
OFF → ON
Output response
ON → OFF
time
Number of outputs
Common
Surge removing circuit
Fuse
Insulation system
Output display
External connection
Externally supplied power
(for driving the relays)
*2
Contact life
Insulation
*1: Minimum switching current is the unofficial value as a guide. This value may vary with the switching frequency,
environmental conditions, etc..
*2: Refer the diagram below
■ Life of relay contact
Life curve of relay contact
1000
500
100
50
20
10
250 V AC cosφ=0.4
1
0.2 0.3 0.5
0.1
Specifications
5 to 250V AC, 5 to 30V DC
1 mA (5V DC)
2A (24V DC, 240V AC)
15 ms (max.)
15 ms (max.)
64-point type: 24
40-point type: 16
20-point type: 8
64-point type: 9
40-point type: 5
20-point type: 2
Relay insulation
LED indication
Removable type screw terminal block (M3)
Not required
20,000,000 times (mechanical)
200,000 times (electrical: 1.5A)
1,500V or more (external-internal)
500V or more (external-external)
30 V DC/250 V AC R load
30 V DC τ=7ms
3
1 2 5 10
Shut-off current (A)
*1
5A
None
None
Life of the contact is also in squared reverse proportion to the
current, so be aware that interrupting rush current or directly driving
the capacitor load will drastically reduce the life of the relay.
2 – 8
Internal circuit diagram
0
1
C