Xiangjing (Shanghai) M&E Technology Co., Ltd
| Delivery Time | 6~8 weeks |
| Function | Detects rapid pressure rise and provides alarm or trip signal |
| Mounting Style | Flange Mount or Thread Mount |
| Packaging Details | Cardboard box/Wooden crate |
| Pressure Range (Sensing Bellows) | -14.7 to 20 PSIG (-1.0 to 1.4 bar) |
| Supply Ability | 500 sets per year |
| Application | Power Transformers, Distribution Transformers, Industrial Electrical Equipment |
| Switch Rating (DC) | 0.5 A @ 125 VDC (Resistive); 0.25 A @ 250 VDC (Resistive) |
| Payment Terms | T/T |
| Switch Rating (AC) | 10 A @ 120, 240 & 480 VAC |
| Power Factor (AC) | 0.75 |
| Ingress Protection | IP65 (Standard) |
| Operating Temperature | -40°C to +82°C (-40°F to +180°F) |
| Series | 900 (Oil-Filled Transformers) / 910 (Gas-Filled Transformers) |
| Thread Connection | 2-1/2"-8 NPT Male Thread |
| Model Number | 900/910 |
| Place of Origin | USA |
| Brand Name | Qualitrol |
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Product Specification
| Delivery Time | 6~8 weeks | Function | Detects rapid pressure rise and provides alarm or trip signal |
| Mounting Style | Flange Mount or Thread Mount | Packaging Details | Cardboard box/Wooden crate |
| Pressure Range (Sensing Bellows) | -14.7 to 20 PSIG (-1.0 to 1.4 bar) | Supply Ability | 500 sets per year |
| Application | Power Transformers, Distribution Transformers, Industrial Electrical Equipment | Switch Rating (DC) | 0.5 A @ 125 VDC (Resistive); 0.25 A @ 250 VDC (Resistive) |
| Payment Terms | T/T | Switch Rating (AC) | 10 A @ 120, 240 & 480 VAC |
| Power Factor (AC) | 0.75 | Ingress Protection | IP65 (Standard) |
| Operating Temperature | -40°C to +82°C (-40°F to +180°F) | Series | 900 (Oil-Filled Transformers) / 910 (Gas-Filled Transformers) |
| Thread Connection | 2-1/2"-8 NPT Male Thread | Model Number | 900/910 |
| Place of Origin | USA | Brand Name | Qualitrol |
| High Light | QUALITROL 900/910 RPRR transformer relay ，transformer pressure protection relay ，safety pressure relay with warranty | ||
Qualitrol 900/910 sudden pressure relays offer critical protection for liquid-immersed transformers by detecting rapid internal pressure rises. With top and side mounting options, they provide flexible and reliable mechanical safeguarding against major faults.
| Parameter | Specification |
|---|---|
| Model Options | 900 (top mounted), 910 (side mounted) |
| Function | Rapid pressure rise detection |
| Application | Power transformers |
| Design | Mechanical relay |
| Mounting | Top or side |
| Response | Fast actuation for alarm/trip |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2015
Total Annual:
30,000,000-50,000,000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
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