{"product_id":"g-penny-iess57-compact-closed-loop-stepper-motor","title":"G-Penny iESS57-36 Compact Closed-Loop Stepper Motor – 1.0Nm to 3.0Nm (Special Order)","description":"\u003ch2\u003eG-Penny iESS57-36 Compact Closed-Loop Stepper Motor\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eNew for 2026 • Compact integrated motor, encoder, and driver • 1.0Nm, 2.0Nm, or 3.0Nm • Optional 24VDC brake\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe G-Penny iESS57-36 is a \u003cstrong\u003enew-for-2026 compact closed-loop stepper design\u003c\/strong\u003e created for CNC builders who want integrated feedback and simplified wiring without the longer body of traditional integrated stepper systems. The motor, encoder, and driver are combined into one NEMA 23 package, reducing panel space and eliminating the need for a separate external stepper driver.\u003c\/p\u003e\n\u003cdiv style=\"padding:14px 16px; margin:18px 0; border:1px solid #9fc5e8; background:#eef6fd;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eNew 2026 Design\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eThe iESS57-36 is G-Penny’s latest compact integrated closed-loop stepper design. It is intended for modern CNC builds and retrofits where a shorter motor body, onboard driver, encoder feedback, and reduced enclosure complexity are important.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"padding:14px 16px; margin:18px 0; border:1px solid #e0a800; background:#fff8df;\"\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eSpecial-Order Item — 7–9 Week Estimated Lead Time\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003eThis motor is ordered from G-Penny specifically for your order. Estimated arrival to PwnCNC is approximately \u003cstrong\u003e7–9 weeks\u003c\/strong\u003e, followed by inspection and order preparation before shipment to you. International freight, customs, supplier scheduling, or carrier delays can extend this estimate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eAvailable Configurations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1.0Nm — no brake or 24VDC brake\u003c\/li\u003e\n\u003cli\u003e2.0Nm — no brake or 24VDC brake\u003c\/li\u003e\n\u003cli\u003e3.0Nm — no brake or 24VDC brake\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the iESS57-36?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew 2026 motor design:\u003c\/strong\u003e A newer-generation compact integrated platform for modern CNC builds and retrofits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact integrated design:\u003c\/strong\u003e Motor, encoder, and driver are built into one assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-loop position feedback:\u003c\/strong\u003e Helps detect and correct position error instead of relying only on commanded steps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNEMA 23 mounting pattern:\u003c\/strong\u003e Suitable for many CNC routers, mills, and retrofit applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulse-and-direction control:\u003c\/strong\u003e Compatible with supported CNC controllers using standard motion signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable microstepping:\u003c\/strong\u003e Allows motion resolution to be configured for the machine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-loop or open-loop operation:\u003c\/strong\u003e Supports flexible setup and commissioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm and position-reached outputs:\u003c\/strong\u003e Supports system monitoring and fault handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24–36VDC motor input:\u003c\/strong\u003e Designed for compact CNC motion-control power systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 200kHz pulse input:\u003c\/strong\u003e Suitable for higher-speed step-and-direction control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRS-232 parameter access and RS-485 capability:\u003c\/strong\u003e Supports configuration and communication where compatible.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e8mm output shaft\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoosing the Brake Option\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Brake:\u003c\/strong\u003e Best for X, Y, rotary, and other axes that will not move under gravity when power is removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24VDC Power-Release Brake:\u003c\/strong\u003e Recommended for vertical axes, especially Z axes carrying a heavy spindle, ATC spindle, or other load. The brake releases when 24VDC is applied and locks when power is removed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe brake uses separate power leads and may require a relay, transistor output, or other properly rated switching device. Do not power the brake directly from a controller enable output unless that output is specifically rated for the required current.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and Wiring\u003c\/h3\u003e\n\u003cp\u003eThese motors use standard pulse-and-direction control, but wiring, signal requirements, and terminal assignments may differ from MASSO-branded and PwnCNC-branded motors. Do not assume wire colors or terminal positions are interchangeable.\u003c\/p\u003e\n\u003cp\u003ePwnCNC wiring guidance will be provided for supported controller configurations as validation is completed. Depending on the controller and installation, additional conductors, jumpers, or signal-conditioning components may be required.\u003c\/p\u003e\n\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the required torque for each axis.\u003c\/li\u003e\n\u003cli\u003eConfirm whether a holding brake is needed.\u003c\/li\u003e\n\u003cli\u003eVerify NEMA 23 mounting dimensions and available clearance.\u003c\/li\u003e\n\u003cli\u003eVerify the 8mm shaft and coupling compatibility.\u003c\/li\u003e\n\u003cli\u003eConfirm a suitable 24–36VDC power supply with adequate current capacity.\u003c\/li\u003e\n\u003cli\u003eConfirm controller signal type and wiring requirements.\u003c\/li\u003e\n\u003cli\u003eConfirm brake-switching capacity when selecting a brake model.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecial-Order Policy\u003c\/h3\u003e\n\u003cp\u003eThis motor is procured specifically for your project. Once procurement has begun, cancellations, configuration changes, or returns may be restricted or subject to restocking and freight charges. Please verify the selected torque and brake configuration before ordering.\u003c\/p\u003e","brand":"G-Penny","offers":[{"title":"1.0Nm \/ No Brake","offer_id":47982624669835,"sku":"GP-IESS57-10-NB","price":129.99,"currency_code":"USD","in_stock":true},{"title":"1.0Nm \/ 24VDC Brake","offer_id":47982639186059,"sku":"GP-IESS57-10-BR","price":169.99,"currency_code":"USD","in_stock":true},{"title":"2.0Nm \/ No Brake","offer_id":47982624702603,"sku":"GP-IESS57-20-NB","price":149.99,"currency_code":"USD","in_stock":true},{"title":"2.0Nm \/ 24VDC Brake","offer_id":47982639218827,"sku":"GP-IESS57-20-BR","price":194.99,"currency_code":"USD","in_stock":true},{"title":"3.0Nm \/ No Brake","offer_id":47982624735371,"sku":"GP-IESS57-30-NB","price":184.99,"currency_code":"USD","in_stock":true},{"title":"3.0Nm \/ 24VDC Brake","offer_id":47982639251595,"sku":"GP-IESS57-30-BR","price":224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0387\/5982\/5547\/files\/IMG_3363.jpg?v=1783822267","url":"https:\/\/pwncnc.com\/products\/g-penny-iess57-compact-closed-loop-stepper-motor","provider":"PwnCNC","version":"1.0","type":"link"}