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Sany Original Middle Relay 056700-81702100, Sany Material Code: B240700000472, suitable for multiple Sany machine models.
Sany Original Middle Relay (056700-8170 / B240700000472)
DENSO Original 24V 4-Pin Normally Open Relay, Sany Excavator Air Conditioning/Fan Dedicated Spare Part.
Core Parameters
- Material Name: Middle Relay (Air Conditioning/Fan Relay)
- Sany Material Number: B240700000472
- DENSO Model: 056700-8170 (The complete printed text you mentioned is 056700-81702100; the core model is 056700-8170)
- Operating Voltage: DC 24V
- Pins: 4-pin (Normally Open Type)
- Contact Capacity: 20A (Resistive Load)
- Temperature Range: -30℃ ~ +80℃
- Lifespan: ≥50,000 cycles
- Original Factory Attribute: DENSO Japanese Original, Sany Original Equipment Manufacturer (OEM) Part
- Usage: Air Conditioning Compressor, Fan, Fan Control
Difference from 056800-3060 (B240700000473)
- 056700-8170 (472): 4-pin, Pure Normally Open, mainly used for air conditioning fan
- 056800-3060 (473): 5-pin, Normally Open + Normally Closed, more commonly used for air conditioning compressor
Both are 24V and DENSO original, but pin configurations are not interchangeable and cannot be directly swapped.
Applicable Models
- Sany Excavators: SY55/65/75/135/215/245/335/365/485 and other series
- Applicable Location: Air Conditioning Fan Relay Socket (Inside the Fuse Box)
Common Faults and Replacement
- Fault Phenomenon: Fan not rotating, no air from air conditioning, often due to relay contact erosion
- Replacement Notes: Must use the same model 4-pin normally open relay; do not mix with 5-pin relays
Compound Pump Assembly for Sany SY980H Excavator R902563676 / Double Plunger Pump Assembly R902563679, Sany Material Code: 60328848 / 60328849, Suitable for SY980H.
Scania D16 Engine Cooling Pump Assembly 02-25-6200 (Water Pump), Sany Material Code: 160102160020A025, Compatible with SY980 / SY1250 / SY1350.
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