Function and Purpose
The JZ7 series intermediate relay (hereinafter referred to as the relay) is mainly used in control circuits with an AC frequency of 50Hz (can be used for 60Hz after derivation) and a rated operating voltage up to 380V or DC rated operating voltage up to 220V, to control various electromagnetic coils, thereby amplifying signals or transmitting signals simultaneously to relevant control components.
Detailed Description
Parameters:
Number of contacts: 4 sets
Detail Parameters
| Parameter Category | Parameter Item | Parameter Value |
|---|
| 4.1 Relay Contact Configuration (see Table 1) | Model | JZ7-44 |
| Number of Normally Open Contacts | 4 |
| Number of Normally Closed Contacts | 4 |
| Model | JZ7-53 |
| Number of Normally Open Contacts | 5 |
| Number of Normally Closed Contacts | 3 |
| Model | JZ7-62 |
| Number of Normally Open Contacts | 6 |
| Number of Normally Closed Contacts | 2 |
| Model | JZ7-71 |
| Number of Normally Open Contacts | 7 |
| Number of Normally Closed Contacts | 1 |
| Model | JZ7-80 |
| Number of Normally Open Contacts | 8 |
| Number of Normally Closed Contacts | 0 |
| 4.2 The rated control power supply voltage Us of the coil is: AC (50Hz): | Rated Operating Voltage (V) | 12V, 24V, 36V, 48V, 110V, 127V, 220V, 240V, 380V |
| 4.3 Operating Range: | Pick-up Voltage | (85%~110%)Us |
| Drop-out Voltage | (20%~75%)Us |
| 4.4 Main Parameters and Technical Performance Indicators of the Relay (see Table 2) | Usage Category | AC-15 |
| Agreed Free Air Heating Current (A) | 380 |
| Rated Operating Voltage (V) | 0.47 |
| Rated Operating Current (A) | 180 VA |
| Control Capacity | 1200 |
| Coil Power (VA) | 50 |
| Operation Frequency (h^-1) | 300 |
| Electrical Life Cycle ×10^4 | 1200 |
| Mechanical Life Cycle ×10^4 | 50 |
| Usage Category | DC-13 |
| Agreed Free Air Heating Current (A) | 5 |
| Rated Operating Voltage (V) | 220 |
| Rated Operating Current (A) | 0.15 |
| Control Capacity | 33 W |
| Coil Power (VA) | ≤ 75 |
| Operation Frequency (h^-1) | ≤ 13 |
| Electrical Life Cycle ×10^4 | 1200 |
| Mechanical Life Cycle ×10^4 | 50 |
