Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SBE121111R0720 — Installation Contactor
contactorPart number: 1SBE121111R0720
ABB 1SBE121111R0720 (ESB20-20N-07) is a two-pole installation contactor with two normally open main contacts and a 400 V AC/DC control circuit. Its rated operational current is 20 A for AC-1 and AC-7a loads. The device is 18 mm wide and has an IP20 protection rating.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SBE121111R0720 |
| Category | Electrical & controls |
| Product Net Width | 18 mm |
| Product Net Depth / Length | 65 mm |
| Product Net Height | 85 mm |
| Product Net Weight | 0.14 kg |
| Number of Main Contacts NO | 2 |
| Number of Main Contacts NC | 0 |
| Number of Auxiliary Contacts NO | 0 |
| Number of Auxiliary Contacts NC | 0 |
| Number of Poles | 2P |
| Rated Operational Voltage | Main circuit: 250 V AC; 220 V DC |
| Rated Frequency (f) | Control circuit: DC, 50 Hz, 60 Hz, 400 Hz; main circuit: DC, 50 Hz, 60 Hz |
| Rated Operational Current AC-1 (I e ) | 20 A, normally open contacts |
| Rated Operational Current AC-3 (I e ) | 9 A at 230 V, single phase, normally open contacts |
| Rated Operational Current AC-7a (I e ) | 20 A, normally open contacts |
| Rated Operational Current AC-7b (I e ) | 9 A at 230 V, single phase, normally open contacts |
| Rated Operational Power AC-1 (P e ) | (230 V) Single Phase, NO 4.6 kW |
| Rated Operational Power AC-3 (P e ) | (230 V) Single Phase, NO 1.3 kW |
| Rated Operational Power AC-7a (P e ) | (230 V) Single Phase, NO 4.6 kW |
| Rated Operational Power AC-7b (P e ) | (230 V) Single Phase, NO 1.3 kW |
| Rated Breaking Capacity AC-3 | 8 x Ie / AC-3 |
| Rated Making Capacity AC-3 | 10 x Ie / AC-3 |
| Rated Short-time Withstand Current Low Voltage (I cw ) | at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 72 A |
| Rated Insulation Voltage (U i ) | 400 V |
| Rated Impulse Withstand Voltage (U imp ) | 6 kV |
| Maximum Electrical Switching Frequency | (AC-1) 300 cycles per hour |
| Coil Operating Limits | (acc. to IEC 60947-4-1) 0.85 ... 1.1 x Uc (at θ ≤ 55 °C) |
| Rated Control Circuit Voltage (U c ) | 400 V AC/DC |
| Power Loss | at Rated Operating Conditions AC-1 per Pole 1.4 W |
| Published component type | Installation Contactor |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Degree of Protection | IP20 |
| Width in modular spacings | 1 |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
What control voltage does the ABB ESB20-20N-07 require?
The rated control circuit voltage is 400 V AC/DC. This is the coil supply, not the main contact voltage; check the available control supply before selecting the contactor.
What are the contact configuration and load ratings of 1SBE121111R0720?
It has two normally open main contacts and no normally closed main contacts. The AC-1 and AC-7a ratings are 20 A; for AC-3 and AC-7b, the listed rating is 9 A at 230 V single phase. Select the rating for the actual load category.
What space and protection does this installation contactor provide?
The contactor is 18 mm wide, 85 mm high and 65 mm deep, with a width of one modular spacing. Its stated degree of protection is IP20; check the enclosure and installation requirements for the intended environment.
Can an auxiliary contact block be added to the ESB20-20N-07?
ABB lists auxiliary contact blocks as related accessories for this contactor. Check the required auxiliary contact arrangement and the available panel space before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.