Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SBH137001R1239 — Block Contactor Relay
contactorPart number: 1SBH137001R1239
ABB 1SBH137001R1239 is an NF33/11-12 eight-pole block contactor relay for switching auxiliary and control circuits. It has a 48–130 V AC/DC control circuit, screw terminals, built-in surge suppression and overlapping leading and lagging contacts. Verify the contact arrangement and control supply against the equipment requirements before ordering.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SBH137001R1239 |
| Category | Electrical & controls |
| Product Net Width | 45 mm |
| Product Net Depth / Length | 110.5 mm |
| Product Net Height | 86 mm |
| Product Net Weight | 0.32 kg |
| Number of Auxiliary Contacts NO | 4 |
| Number of Auxiliary Contacts NC | 4 |
| Number of Poles | 8P |
| Rated Operational Voltage | Auxiliary Circuit 690 V |
| Rated Frequency (f) | Auxiliary Circuit 50 / 60 Hz |
| Conventional Free-air Thermal Current (I th ) | acc. to IEC 60947-5-1, Θ = 40 °C 16 A |
| Rated Operational Current AC-15 (I e ) | 2 A at 500 V |
| Rated Operational Current DC-13 (I e ) | 6 A / 144 W at 24 V DC |
| Rated Short-time Withstand Current Low Voltage (I cw ) | for 0.1 s 140 A |
| Rated Insulation Voltage (U i ) | acc. to IEC 60947-5-1 690 V |
| Rated Impulse Withstand Voltage (U imp ) | 6 kV |
| Maximum Electrical Switching Frequency | (AC-15) 1200 cycles per hour |
| Maximum Mechanical Switching Frequency | 6000 cycles per hour |
| Rated Control Circuit Voltage (U c ) | 48–130 V AC, 50/60 Hz; 48–130 V DC |
| Operate Time | Between Coil De-energization and NC Contact Closing 13 ... 98 ms |
| Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 |
| Mounting by Screws (not supplied) | 2 x M4 Screws Placed Diagonally |
| Connecting Capacity Auxiliary Circuit | Flexible with Ferrule 1/2x 0.75 ... 2.5 mm² |
| Connecting Capacity Control Circuit | Flexible with Ferrule 1/2x 0.75 ... 2.5 mm² |
| Wire Stripping Length | Auxiliary Circuit 10 mm |
| Degree of Protection | acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 |
| Tightening Torque | Auxiliary Circuit 1.2 N·m |
| Terminal Type | Screw terminals |
| Product Name | Block Contactor Relay |
| Published component type | Block Contactor Relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Contact arrangement | 4 NO and 4 NC in total, including overlapping leading and lagging contacts |
| Surge suppression | Built in |
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 NF33/11-12 require?
The 1SBH137001R1239 has a rated control-circuit voltage of 48–130 V AC at 50/60 Hz or 48–130 V DC. Check the actual control supply and complete part number before selecting it.
How are the contacts arranged on the NF33/11-12?
It is an eight-pole relay with four normally open and four normally closed contacts in total. The NF33/11 arrangement includes overlapping leading and lagging contacts; check the contact diagram and timing requirements before replacing another relay.
Does this relay need an additional coil surge suppressor?
The NF33/11-12 has built-in surge suppression. Confirm the complete control circuit and any application-specific requirements before selecting additional protection.
What mounting space and connections does this contactor relay need?
Its listed dimensions are 45 mm wide, 86 mm high and 110.5 mm deep. It has screw terminals and can be mounted on a DIN rail or panel. Check enclosure clearance and the equipment documentation before installation.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.