The SRMRC2 series contactor relay (hereinafter referred to as the relay) is suitable for circuits with AC 50Hz/60Hz, voltage up to 690V, and DC voltage up to 230V. It is used to control various electromagnetic coils, amplify signals, or transmit signals to relevant control components.
This product complies with IEC60947-5-1, GB14048.5, etc.
Normal working and installation conditions
1. Altitude: not exceeding 2000m
2. The ambient air temperature ranges from -5 ℃ to+40 ℃. The average value within 24 hours shall not exceed+35 ℃;
3. Atmospheric conditions: At+40 ℃, the relative humidity of the air does not exceed 50%; At lower temperatures, there can be higher relative humidity, with an average minimum temperature of no more than+25 ℃ in the wettest month and an average maximum relative humidity of no more than 90% in that month, taking into account condensation that may occur on the product due to temperature changes;
4. The inclination between the installation surface and the vertical surface shall not exceed 22.5 °;
5. In areas without significant shaking, impact, or vibration.
Main parameters and technical performance
1. Main specifications
According to the rated control power supply voltage Us of the relay coil, it is divided into AC 50Hz, 36V, 110V, 220V, and 380V.
According to the combination of relay contacts, it can be divided into: 4 dynamic contacts; 3 in one and 1 in one; 2 in motion and 2 in motion.
2. The combination of auxiliary contact groups is shown in the following table:
|
Auxiliary contact model |
Contact combination situation |
|
Dynamic combination (NO) |
Dynamic interruption |
|
SRMCF2-11C |
one |
one |
|
F4-20 |
two |
0 |
|
F4-11 |
one |
one |
|
F4-02 |
0 |
two |
|
F4-40 |
four |
0 |
|
F4-31 |
three |
one |
|
F4-22 |
two |
two |
|
F4-13 |
one |
three |
3. The usage category, rated working current, and capacity of relays are shown in the following table:
|
Usage category |
Agreed heating current A |
Rated working voltage V |
Rated working current A |
Control capacity |
|
AC-15 |
ten |
380/400 |
zero point nine five |
360VA |
|
DC-13 |
ten |
220/230 |
zero point one five |
33W |
The power consumption of the coil is shown in the table below:
|
Start VA |
ninety |
|
COSφ |
zero point nine |
|
Maintain VA |
three point three |
|
COS (capacitive) |
zero point zero nine |
|
Coil power consumption W |
zero point five seven |
The voltage code for the control coil is shown in the table below:
|
control voltage |
380V
|
220V |
110V |
36V |
|
50Hz |
60Hz |
50/60Hz |
50Hz |
60Hz |
50/60Hz |
50Hz |
60Hz |
50/60Hz |
50Hz |
60Hz |
50/60Hz |
|
coil code name |
Q5 |
Q6 |
Q7 |
M5 |
M6 |
M7 |
F5 |
F6 |
F7 |
C5 |
C6 |
C7 |
structural characteristics
The relay is arranged in a straight and three-dimensional manner, using a modular assembly method, with the upper part being the contact system and the lower part being the electromagnetic system. The module includes top mounted and side mounted auxiliary contact modules.
This product has the characteristics of reliable operation under wide voltage, no burning of coils, and energy conservation.
Relays can be equipped with auxiliary contact modules, which can be divided into side mounted and top mounted types. The side mounted type is a movable and movable switch, while the top mounted F4 auxiliary contact.
The electromagnetic system consists of an E-shaped iron core and energy-saving coils. The coils, energy-saving modules, and magnetic yokes are installed together and can be easily extracted.