{"product_id":"cnc-yckb7-control-protective-switching-cps-motor-starter","title":"Integrated Motor Starter (CPS) 63A | All-in-One Control \u0026 Protective Switching Device (YCKB7)","description":"\u003cdiv style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;font-size:15px;line-height:1.7;color:#222;max-width:820px;margin:0 auto;\"\u003e\n\n\u003cdiv style=\"background:#fff5f5;border-left:4px solid #d42027;padding:16px 18px;margin:0 0 24px;border-radius:4px;\"\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0;\"\u003e\u003cstrong\u003eQuick answer:\u003c\/strong\u003e The CNC YCKB7 is a \u003cstrong\u003eControl and Protective Switching device (CPS)\u003c\/strong\u003e — an all-in-one motor starter that combines a contactor, an overload relay and a circuit breaker in a single 3-pole unit. It switches the motor, protects it against overload, and breaks short-circuit faults up to \u003cstrong\u003e50 kA\u003c\/strong\u003e, in one compact device rated \u003cstrong\u003e1.2–63 A\u003c\/strong\u003e (to ~35 kW). Built to IEC 60947-6-2. Price on request.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eA traditional motor starter is three separate devices — a circuit breaker, a contactor and a thermal overload relay — selected, wired and coordinated together. A \u003cstrong\u003eCPS integrates all three functions into one factory-coordinated unit\u003c\/strong\u003e, saving panel space, wiring and the guesswork of matching devices, while giving a very high short-circuit breaking capacity.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;margin-top:34px;margin-bottom:12px;color:#111;\"\u003eWhat the YCKB7 does\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eThe YCKB7 performs three jobs at once: it \u003cstrong\u003eswitches\u003c\/strong\u003e the motor on and off (the contactor function), it \u003cstrong\u003eprotects\u003c\/strong\u003e against overload (the relay function, with an adjustable trip), and it \u003cstrong\u003ebreaks short-circuit faults\u003c\/strong\u003e up to 50 kA at 400 V (the breaker function) — clearing a fault in under 2 ms. It supports local control (2-wire and 3-wire), local-plus-remote, and a communication version for control from an upper-level computer.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;margin-top:34px;margin-bottom:12px;color:#111;\"\u003eModel range (1.2–63 A)\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eOne 3-pole, 63-frame platform is offered in eight current steps, each with its overload setting range and motor power:\u003c\/p\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:18px 0;font-size:15px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d0d0;background:#f0f0f0;padding:10px;text-align:left;font-weight:700;\"\u003eRated current Ie (A)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d0d0;background:#f0f0f0;padding:10px;text-align:left;font-weight:700;\"\u003eOverload set (A)\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d0d0;background:#f0f0f0;padding:10px;text-align:left;font-weight:700;\"\u003eMotor kW @400 V\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d0d0;background:#f0f0f0;padding:10px;text-align:left;font-weight:700;\"\u003eMotor kW @690 V\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e1.2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.3–1.2\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.07–0.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.13–0.86\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e2.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.6–2.4\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.15–1.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.25–1.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e1.5–6\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.52–2.8\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e0.9–5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e12\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e3–12\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e1.1–6.0\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e2.0–10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e18\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e7.2–18\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e3.0–9.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e5.0–16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e32\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e12–32\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e5.0–16.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e8.5–29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e45\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e18–45\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e7.1–23.5\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e14–43\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e63\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e25–63\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e10–35\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e19–60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;margin-top:34px;margin-bottom:12px;color:#111;\"\u003eKey specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:18px 0;font-size:15px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"border:1px solid #d0d0d0;background:#f0f0f0;padding:10px;text-align:left;font-weight:700;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"border:1px solid #d0d0d0;background:#f0f0f0;padding:10px;text-align:left;font-weight:700;\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003ePoles \/ frame\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e3-pole, frame 63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eRated operating voltage Ue\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e400 V \/ 690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eRated current Ie\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e1.2–63 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eUtilization category\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eAC-43 \/ AC-44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eShort-circuit breaking (Ics)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e50 kA @ AC 400 V · 4 kA @ AC 690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eBreaking time\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e≤2 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eRated insulation voltage Ui\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eImpulse withstand Uimp\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e6 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eControl supply\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e230 VAC (4 VA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eAuxiliary contacts\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e2NO + 2NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eElectrical \/ mechanical life\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e100 ×10⁴ (AC-43) \/ 1000 ×10⁴\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eStandards\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eIEC 60947-1, IEC 60947-6-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003eAmbient \/ altitude\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #d0d0d0;padding:10px;\"\u003e−5 to +40 °C, ≤2000 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;margin-top:34px;margin-bottom:12px;color:#111;\"\u003eModel code\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eThe type designation reads \u003cstrong\u003eYC-KB7-63 \/ [current] [M|Q] [T]\u003c\/strong\u003e: \u003cstrong\u003eYC\u003c\/strong\u003e = CNC, \u003cstrong\u003eKB7\u003c\/strong\u003e = CPS family, \u003cstrong\u003e63\u003c\/strong\u003e = frame, \u003cstrong\u003e\/current\u003c\/strong\u003e = the current step (e.g. \/63 = 25–63 A), \u003cstrong\u003eM\u003c\/strong\u003e = 230 V or \u003cstrong\u003eQ\u003c\/strong\u003e = 400 V control, and a trailing \u003cstrong\u003eT\u003c\/strong\u003e = communication type (blank = standard).\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;margin-top:34px;margin-bottom:12px;color:#111;\"\u003eWhat the YCKB7 does \u003cem\u003enot\u003c\/em\u003e do\u003c\/h2\u003e\n\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eA CPS replaces the breaker + contactor + overload-relay combination for a motor — it does not vary speed or soft-start. For a gentle ramp-up use the \u003ca href=\"\/products\/cnc-ycqr7-motor-soft-starter\" style=\"color:#d42027;text-decoration:underline;\"\u003eCNC YCQR7 soft starter\u003c\/a\u003e; for speed control use the \u003ca href=\"\/products\/cnc-ycb600-vector-frequency-inverter-vfd\" style=\"color:#d42027;text-decoration:underline;\"\u003eCNC YCB600 VFD\u003c\/a\u003e. If you prefer separate components, pair a contactor with the \u003ca href=\"\/products\/cnc-jr28s-thermal-overload-relay\" style=\"color:#d42027;text-decoration:underline;\"\u003eCNC JR28S thermal overload relay\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;margin-top:34px;margin-bottom:12px;color:#111;\"\u003eDownloads\u003c\/h2\u003e\n\u003cul style=\"margin:0 0 16px;padding-left:22px;\"\u003e\n\u003cli style=\"font-size:15px;line-height:1.7;margin-bottom:8px;\"\u003e\u003ca href=\"https:\/\/www.cncele.com\/uploads\/YCKB7-Catalogue.pdf\" style=\"color:#d42027;text-decoration:underline;\"\u003eYCKB7 catalogue (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:22px;font-weight:700;margin-top:34px;margin-bottom:12px;color:#111;\"\u003eFrequently asked questions\u003c\/h2\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;margin-top:22px;margin-bottom:6px;color:#111;\"\u003eWhat is a CPS (Control and Protective Switching device)?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eA CPS is a single device that integrates the three parts of a motor starter — circuit breaker, contactor and overload relay — into one factory-coordinated unit. It switches the motor, protects against overload, and breaks short-circuit faults, all in one.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;margin-top:22px;margin-bottom:6px;color:#111;\"\u003eHow is a CPS better than a traditional starter?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eIt saves panel space and wiring, removes the need to select and coordinate three separate devices, and provides a very high short-circuit breaking capacity (up to 50 kA) in a compact package with a single set of connections.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;margin-top:22px;margin-bottom:6px;color:#111;\"\u003eWhat do AC-43 and AC-44 mean?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eThey are IEC utilization categories for motor switching: AC-43 covers starting and switching off running motors, and AC-44 covers the more demanding duty of starting, plugging and inching. The YCKB7 is rated for both.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;margin-top:22px;margin-bottom:6px;color:#111;\"\u003eWhat motor size does it suit?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eThe eight current steps cover roughly 0.07 kW up to 35 kW at 400 V (higher at 690 V). Use the model range table to match your motor current, or send us the nameplate.\u003c\/p\u003e\n\n\u003ch3 style=\"font-size:17px;font-weight:700;margin-top:22px;margin-bottom:6px;color:#111;\"\u003eCan it be controlled remotely?\u003c\/h3\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0 0 14px;\"\u003eYes. It supports 2-wire and 3-wire local control, local-plus-remote operation, and a communication version (type T) for control and monitoring from an upper-level computer.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#f7f7f9;border-left:4px solid #d42027;padding:16px 18px;margin:28px 0;border-radius:4px;\"\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0;\"\u003ePrefer separate components? Pair a contactor with the \u003ca href=\"\/products\/cnc-jr28s-thermal-overload-relay\" style=\"color:#d42027;text-decoration:underline;\"\u003eCNC JR28S overload relay\u003c\/a\u003e, or for a soft start use the \u003ca href=\"\/products\/cnc-ycqr7-motor-soft-starter\" style=\"color:#d42027;text-decoration:underline;\"\u003eCNC YCQR7\u003c\/a\u003e. Browse the full \u003ca href=\"\/collections\/industrial-products\" style=\"color:#d42027;text-decoration:underline;\"\u003eCNC industrial products\u003c\/a\u003e range.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff5f5;border:1px solid #f0c9c9;padding:16px 18px;margin:24px 0 0;border-radius:4px;\"\u003e\n\u003cp style=\"font-size:15px;line-height:1.7;margin:0;\"\u003eTell us your motor rating and control scheme and we'll confirm the exact YCKB7 model. \u003cstrong\u003eCNC Electric\u003c\/strong\u003e is the authorised CNC distributor in Pakistan — \u003ca href=\"https:\/\/wa.me\/923261111376\" style=\"color:#d42027;text-decoration:underline;\"\u003emessage us on WhatsApp\u003c\/a\u003e for a price and quote.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n","brand":"CNC","offers":[{"title":"40 A frame","offer_id":45153523368002,"sku":"YCKB7-40","price":0.0,"currency_code":"PKR","in_stock":true},{"title":"63 A frame","offer_id":45153523400770,"sku":"YCKB7-63","price":0.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/2059\/5522\/files\/YCKB7-63-Control-and-Protection-Switchgear.jpg?v=1788508193","url":"https:\/\/www.cncelectric.pk\/products\/cnc-yckb7-control-protective-switching-cps-motor-starter","provider":"CNC Electric Pakistan","version":"1.0","type":"link"}