Xian Sulab Machinery Co., Ltd.
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Delivery Time | Normally 2-3 working days after payment |
| Brand | SULAB |
| Description | Elevator parts |
| Model | SZ-A31 |
| MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea |
| Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc |
| Warranty | One year |
| Payment Method | Company Bank, Western union, alibaba, Paypal etc |
| Brand Name | SULAB |
| Model Number | SZ-A31 |
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Product Specification
| Payment Terms | L/C,D/A,D/P,T/T,Western Union | Delivery Time | Normally 2-3 working days after payment |
| Brand | SULAB | Description | Elevator parts |
| Model | SZ-A31 | MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea | Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc | Warranty | One year |
| Payment Method | Company Bank, Western union, alibaba, Paypal etc | Brand Name | SULAB |
| Model Number | SZ-A31 |
Elevator Auxiliary Contactor Elevator AC Contactor Elevator Accessories Auxiliary Contact Block SZ-A31
Contact Expansion: A 3NO+1NC configuration compensates for insufficient auxiliary contacts in the main contactor, adapting to PLC/relay control and signal circuit expansion.
Signal Feedback: NO contacts are used for operating status, door position, and brake feedback; NC contacts are used for fault, phase loss, and overload warnings, facilitating remote monitoring and fault location.
Logic Interlocking: Implements forward/reverse rotation/star-delta circuit interlocking to prevent phase-to-phase short circuits, improving system safety and reliability.
| Brand | SULAB |
| Description | Elevator parts |
| Model | SZ-A31 |
| MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea |
| Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc |
| Delivery Time | Normally 2-3 working days after payment |
| Warranty | One year |
| Payment Method | Company Bank, Western union, alibaba, Paypal etc |
Linkage Control: Integrates with thermal relays and time relays, extending functions to include delay, overload protection, and sequential start/stop, adapting to complex control requirements of elevator door operators, fans, etc.
Status Indication: Drive indicator lights, buzzers, etc., intuitively display equipment operating/fault status, simplifying on-site maintenance.
Company Details
Business Type:
Trading Company,Seller
Year Established:
2014
Total Annual:
1000-50000
Employee Number:
10~50
Ecer Certification：
Verified Supplier
Xi’an Sulab Machinery Co., Ltd is committed to providing our customers with the highest quality elevator and escalator parts in the most timely and professional manner. The main brands are Otis, KONE, Sigma, Hyundai, , etc. There are also elevator and escalator spare parts of Chinese brands su... Xi’an Sulab Machinery Co., Ltd is committed to providing our customers with the highest quality elevator and escalator parts in the most timely and professional manner. The main brands are Otis, KONE, Sigma, Hyundai, , etc. There are also elevator and escalator spare parts of Chinese brands su...
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