
56 Series
Miniature Pow er Relays 12 A
59
DIELECTRIC STRENGTH
between coil and contact
between open contact
between adjacent contact
between frame and live parts
4,000 V
≥
20 · 10
3
M
C 250
2,000 V
1,000 V
2,000 V
relay without external ground
SURGE TEST (1.2/50 μs) between coil and contacts
ISOLATION RESISTANCE
ISOLATION GROUP
MAXIMUM SW ITCHING FREQUENCY
- without load
- at rated load
AMBIENT TEMPERATURE
MECHANICAL LIFE
36,000 cycles/h
600 cycles/h
(–40 ... +70)°C
20 · 10
6
cycles version AC
50 · 10
6
cycles version DC
IP 40
4 CO
≤
15 ms (including contact bounce)
≤
15 ms (including contact bounce)
continuous
PROTECTION CATEGORY OF ENCLOSURES
OPERATE AND RELEASE TIME
- pick-up time (0 to U
N
)
- drop-out time (U
N
to 0)
TYPE OF DUTY
DIELECTRIC TEST
2 NO
≤
20 ms (including contact bounce)
—
TYPE OF RELAY
all-or-nothing
tested at leakage current
≤
10 mA for 1 min at 50 Hz
H 56
20
220
20
0.1
10
6
4
2
1
0.6
0.4
0.2
60
100
140
180
A
B
K 56
1
0.8
0.6
0.4
1
0.4
0.6
0.8
0.2
K
K
F 56
0.5
2.5
3 KVA
10
7
1
0
1.5
2
10
6
10
5
Breaking capacity for DC1 load at 600 cycles/h. Load applied to 1 contact.
A
= types 56.32 - 0300 and 56.42 - 0300
B
= other types
RATED CURRENT
MAXIMUM PEAK CURRENT
NOMINALRATE IN AC1
NOMINALRATE IN AC15
RATED VOLTAGE
MAXIMUM SW ITCHING VOLTAGE
BREAKING CAPACITY IN DC1
SINGLE PHASE HP MOTOR RATING AT 250 V
CONTACT RESISTANCE: - initial
MINIMUM SW ITCHING LOAD
STANDARD CONTACT MATERIAL
12 A
20 A
3,000 VA
500 VA
250 V AC
400 V AC
see diagram H56
0.55 kW; 0.7 HP
≤
50 m
500 mW (10 V/5 mA)
AgNi
Load reduction factor vs cos .
COS
k
VOLTAGE V (DC)
M
LOAD
C
2
TECHNICALDATA
CONTACT SPECIFICATIONS