Allen-Bradley – 503-CJB-3-4LG-6GPC-42T NEMA Size 2 Combination Cntcr Ckt-bkr
Discontinued by Rockwell Automation / Allen-Bradley — we can still source the original 503-CJB-3-4LG-6GPC-42T (new, used or refurbished, subject to availability). Request a quote below.
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Quick facts
| Availability | Confirmed on request |
| Category | NEMA Combination Contactors |
| Lifecycle | Discontinued |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
Can I still buy the 503-CJB-3-4LG-6GPC-42T now that it is discontinued?
Yes. Rockwell Automation / Allen-Bradley has discontinued the 503-CJB-3-4LG-6GPC-42T, but sourcing discontinued parts is what PartnerPLC specialises in — new old stock, used and refurbished units. Request a quote and we'll confirm availability, condition and lead time.
When can 503-CJB-3-4LG-6GPC-42T be shipped?
503-CJB-3-4LG-6GPC-42T is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 503-CJB-3-4LG-6GPC-42T in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 503-CJB-3-4LG-6GPC-42T and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 503-CJB-3-4LG-6GPC-42T, subject to availability and destination.
Allen-Bradley 503-CJB-3-4LG-6GPC-42T — NEMA Size 2 Combination Cntcr Ckt-bkr. Discontinued by Rockwell Automation on October 16, 2018. PartnerPLC supplies new, surplus and discontinued Allen-Bradley parts — request a quote for price, condition and lead time.
Specifications
Product
| Lifecycle | Discontinued |
| Discontinued date | October 16, 2018 |
| Replacement category (Rockwell) | Functional Replacement |
| Repair options available | No |
Specifications
| Circuit-Breaker Type | Inverse Hrs - Swbd Interruptin |
| Control Voltage | 120V 60 Hz |
| Sub Brand | NEMA |
| Altitude | 10000 ft before derating |
| Auxiliary contact material | Silver |
| Available short circuit amperes RMS symmetrical | 65000 A |
| Average operating time, drop-out | 13 ms |
| Average operating time, pick-up | 27 ms |
| Capacitor switching kVAR | 25 kVAR @ 460V load voltage, 3-phase |
| Circuit breaker type | Inverse time, standard interrupting capacity |
| Circuit closing inrush current peak including offset, max | 483 A |
| Coil operating limits | 85...110% |
| Continuous current | 45 A |
| Coordination class according to IEC 60947-4-3 | Class 2 |
| Corrosion-resistance | All metal parts are treated for corrosion-resistance |
| Degree of protection (NEMA) | 12 |
| Depth | 8.25 mm |
| Enclosure type | NEMA 3R/4/12 metal |
| External reset possible | true |
| Factory installed models | Transformer with grounding includes 2 primary fuses & 1 sary fuse with fuse cover |
| Heat dissipation | 5.9 W |
| Height | 27.5 mm |
| Hp rating | 15 Hp |
| Load voltage | 460V |
| Mechanical life operations | 1.0E7 |
| NEMA size | Size 2 |
| Number of auxiliary contacts, max | 8 |
| Number of indicator lights | 1 |
| Operating position | Vertical |
| Operating volt amperes burden | Sealed: 29VA, 60 Hz coils |
| Power contact material | Silver Alloy |
| Rated control supply voltage at AC 50 Hz | 110 V |
| Rated control supply voltage at AC 60 Hz | 120 V |
| Required torque on power terminal wire clamps and pressure connectors or lugs | 45 in-lb |
| Suitable for emergency stop | true |
| Transformer primary switching kVA rating | 7.2 kVA @ 460V load voltage, 3-phase (inrush current = 20...40 times continuous current) |
| Type of electrical connection for auxiliary- and control current circuit | Screw connection |
| Type of electrical connection of main circuit | Screw connection |
| Type of power terminal | Pressure terminals |
| Voltage type for actuating | AC |
| Weight | 40 lb |
| Width | 10.5 mm |
| Wire size for power terminals | 14 AWG |
| With fuse | false |
| With short-circuit release | true |
| With transformer | true |
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