| Brand | Xinyouxiang |
| Model NO. | Current Monitoring Relay GRI8-01 to 04 |
| Rated frequency | 50/60Hz |
| Series | GRI8-01 |
The GRI8-01 to 04 series current relays are intelligent protection devices that integrate high-precision monitoring and flexible control. Adopting modular design, it can accurately detect the current status of the line, suitable for industrial automation, power systems, and equipment protection fields, achieving fast response and reliable protection against current anomalies.
GRI8-01... 04 series current relay product features:
1. Intelligent delay protection
The action time can be continuously adjusted within the range of 0.1 seconds to 10 seconds, effectively filtering out transient peak currents during device startup and improving protection accuracy.
2. Multi range coverage
Provide 6 standard current specifications (0.5A/1A/2A/5A/8A/16A), and can achieve high current monitoring through external transformers.
3. Wide range power supply adaptation
AC/DC 24~240V AC/DC wide voltage input design, suitable for power environments in different industrial scenarios.
4. Visual operation and maintenance
Built in high brightness LED indicator light, real-time feedback of relay on/off status, convenient for device status monitoring.
5. Compact structure
The 18mm ultra-thin body is installed with a 35mm standard card rail to improve the space utilization of the control cabinet.
Why choose GRI8-01... 04 series current relays?
1. Accurate adaptation: 6-speed adjustable current specifications (0.5A~6A) to meet diverse load requirements
2. Easy installation: ultra-thin 18mm width design, compatible with 35mm standard card rail installation
3. High compatibility: Supports AC/DC 24~240V wide voltage power input
4. Dual monitoring: Built in isolation transformer, while supporting external transformer expansion range
Advantages of GRI8-01... 04 series current relay products:
1. Space optimization: Compact design saves control cabinet space and improves wiring efficiency
2. Intuitive operation and maintenance: LED status indicator lights display real-time relay action status
3. Anti interference capability: adjustable delay function from 0.1s to 10s, effectively avoiding misoperation caused by instantaneous current surge
4. Flexible Expansion: Supports external current transformers, monitoring range can be extended to 500A
| Technical parameters | GRI8-01 | GRI8-02 | GRI8-03 | GRI8-04 |
| Function | Overcurrent | Under current | Over/Under | Over/Under |
| Supply terminals | A1-A2 | |||
| Rated supply voltage | AC/DC 24V-240V | |||
| Rated supply frequency | 50/60Hz,0 | |||
| Burden | max 25VA | |||
| Supply voltage tolerance | -15%;+10% | |||
| Current range （AC 50Hz） | 0.05A-0.5A/0.1A-1A/0.5A-5A/0.8A-8A/1.6A-16A | |||
| Max. permanent current:(B1-B2) | 2A/4A/8A/12A/22A | |||
| Current adjustment | potentiometer | |||
| Time delay | adjustable 0.1-10 s | |||
| Power up delay | adjustable 0.1-10 s | |||
| Supply indication | green LED | |||
| Setting accuracy | 0.1 | |||
| Repeat accuracy | <1 % | |||
| Temperature dependency | <0.1 % /°C | |||
| Limit values tolerance | 5 % (10% for 0.05-0.5A range) | |||
| Hysteresis | 0.05 | |||
| Temperature coefficient | 0.05%/℃,at=20℃(0.05%℉，at=68℉) | |||
| Output | 1×SPDT | |||
| Current rating | 1×10A(AC1) | |||
| Switching voltage | 250VAC/24VDC | |||
| Min. breaking capacity DC | 500mW | |||
| Output indication | red LED | |||
| Mechanical life | 1×107 | |||
| Electrical life(AC1) | 1×105 | |||
| Operating temperature | -20℃ to+55℃（-4℉to131℉） | |||
| Storage temperature | -35℃ to+75℃（-22℉to158℉） | |||
| Mounting/DIN rail | Din rail EN/IEC 60715 | |||
| Protection degree | IP40 for front panel/IP20 terminals | |||
| Operating position | any | |||
| Overvoltage category | III. | |||
| Pollution degree | 2 | |||
| Max.cable size(mm2) | solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12) | |||
| Tightening torque | 0.8Nm | |||
| Dimensions | 90×18×64mm | |||
| Weight | 69g | |||
| Standards | IEC60947-5-1 | |||
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