![[MITSUBISHI ELECTRIC] — SD-Q High-Sensitivity DC-Operated Contactors (Q11/Q12/QR11/QR12)](https://img.prosourcemro.com/2026/08/Mstn-photo-sdq-1-1024x1024.png)
Magnetic Contactors
MITSUBISHI ELECTRIC
[MITSUBISHI ELECTRIC] — SD-Q High-Sensitivity DC-Operated Contactors (Q11/Q12/QR11/QR12)
Family ID: MEL-SDQ-CONT
Mitsubishi Electric SD-Q high-sensitivity contactors driven directly from PLC transistor outputs (DC24V 0.1A) using a high-efficiency polarized electromagnet. Non-reversing SD-Q11/Q12 and mechanically interlocked reversing SD-QR11/QR12 covering three-phase motors up to 2.5kW at 200-240V and 4kW at 380-440V (AC-3), open thermal current 20A, applicable to AC440V circuits. Built-in surge absorption, safe-separation auxiliary b-contact function per EN 60204-1 (TUV certified), twin auxiliary contacts down to DC5V 3mA, standard terminal covers with finger protection. Switching frequency 1,800 ops/h; electrical durability 1,000,000 ops (AC-3), mechanical 10,000,000 ops. Operating coils DC12V, DC24V, DC48V (polarized terminals). Conforms to JIS C8201-4-1, JIS C8201-5-1, IEC 60947-4-1, IEC 60947-5-1. UL, CSA, CE, CCC certified; EC directive and GB compliant. IEC/DIN 35mm rail mounting.
12 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| SD-Q11 DC12V | High-sensitivity contactor SD-Q11, non-reversing, DC12V | MITSUBISHI ELECTRIC | Type: Non-reversing · Coil: DC12V · Aux Contacts: 1a (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-Q11 DC24V | High-sensitivity contactor SD-Q11, non-reversing, DC24V | MITSUBISHI ELECTRIC | Type: Non-reversing · Coil: DC24V · Aux Contacts: 1a (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-Q11 DC48V | High-sensitivity contactor SD-Q11, non-reversing, DC48V | MITSUBISHI ELECTRIC | Type: Non-reversing · Coil: DC48V · Aux Contacts: 1a (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-Q12 DC12V | High-sensitivity contactor SD-Q12, non-reversing, DC12V | MITSUBISHI ELECTRIC | Type: Non-reversing · Coil: DC12V · Aux Contacts: 1a1b (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-Q12 DC24V | High-sensitivity contactor SD-Q12, non-reversing, DC24V | MITSUBISHI ELECTRIC | Type: Non-reversing · Coil: DC24V · Aux Contacts: 1a1b (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-Q12 DC48V | High-sensitivity contactor SD-Q12, non-reversing, DC48V | MITSUBISHI ELECTRIC | Type: Non-reversing · Coil: DC48V · Aux Contacts: 1a1b (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-QR11 DC12V | High-sensitivity contactor SD-QR11, reversing, DC12V | MITSUBISHI ELECTRIC | Type: Reversing · Coil: DC12V · Aux Contacts: 1b x2 (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-QR11 DC24V | High-sensitivity contactor SD-QR11, reversing, DC24V | MITSUBISHI ELECTRIC | Type: Reversing · Coil: DC24V · Aux Contacts: 1b x2 (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-QR11 DC48V | High-sensitivity contactor SD-QR11, reversing, DC48V | MITSUBISHI ELECTRIC | Type: Reversing · Coil: DC48V · Aux Contacts: 1b x2 (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-QR12 DC12V | High-sensitivity contactor SD-QR12, reversing, DC12V | MITSUBISHI ELECTRIC | Type: Reversing · Coil: DC12V · Aux Contacts: 1a1b x2 (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-QR12 DC24V | High-sensitivity contactor SD-QR12, reversing, DC24V | MITSUBISHI ELECTRIC | Type: Reversing · Coil: DC24V · Aux Contacts: 1a1b x2 (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A | ||
| SD-QR12 DC48V | High-sensitivity contactor SD-QR12, reversing, DC48V | MITSUBISHI ELECTRIC | Type: Reversing · Coil: DC48V · Aux Contacts: 1a1b x2 (standard) · Capacity AC-3: 2.5kW at 200-240V / 4kW at 380-440V · Ith: 20A |
