Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SBH136001R2140 — Block Contactor Relay
contactorPart number: 1SBH136001R2140
ABB NFZ40E-21 (1SBH136001R2140) is a four-pole block contactor relay for auxiliary and control circuits. It has four normally open contacts, an electronic coil rated 24–60 V AC at 50/60 Hz or 20–60 V DC, screw terminals and built-in surge suppression.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SBH136001R2140 |
| Category | Electrical & controls |
| Product Net Width | 45 mm |
| Product Net Depth / Length | 77 mm |
| Product Net Height | 86 mm |
| Product Net Weight | 0.31 kg |
| Number of Auxiliary Contacts NO | 4 |
| Number of Auxiliary Contacts NC | 0 |
| Number of Poles | 4 |
| Rated Operational Voltage | Auxiliary circuit: 690 V maximum |
| Rated Frequency (f) | Auxiliary Circuit 50 / 60 Hz |
| Conventional Free-air Thermal Current (I th ) | 16 A at ambient temperature ≤ 40 °C |
| Rated Operational Current AC-15 (I e ) | 6 A at 24–127 V; 4 A at 220–240 V; 3 A at 400–440 V; 2 A at 500 V or 690 V, 50/60 Hz |
| Rated Operational Current DC-13 (I e ) | 6 A / 144 W at 24 V DC; 2.8 A / 134 W at 48 V DC |
| Rated Short-time Withstand Current Low Voltage (I cw ) | for 0.1 s 140 A |
| Rated Insulation Voltage (U i ) | 690 V according to IEC 60947-5-1 |
| Rated Impulse Withstand Voltage (U imp ) | 6 kV |
| Maximum Electrical Switching Frequency | AC-15: 1200 cycles per hour; DC-13: 900 cycles per hour |
| Maximum Mechanical Switching Frequency | 6000 cycles per hour |
| Rated Control Circuit Voltage (U c ) | 50 Hz 24 ... 60 V |
| Operate Time | Between Coil De-energization and NC Contact Closing 13 ... 98 ms |
| Mounting on DIN Rail | 35 × 7.5 mm or 35 × 15 mm rail, 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 with cable clamp |
| Product Name | Block Contactor Relay |
| Published component type | Block Contactor Relay |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Rated Control Circuit Voltage (Uc) | 24–60 V AC, 50/60 Hz; 20–60 V DC |
| Ambient Operating Temperature | −40 to +70 °C in free air |
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 coil voltage does ABB 1SBH136001R2140 require?
The NFZ40E-21 coil is rated for 24–60 V AC at 50/60 Hz or 20–60 V DC. Check the control supply against the correct AC or DC range; the contact circuit voltage is a separate rating.
How many contacts does the NFZ40E-21 have, and are any normally closed?
The base relay has four normally open contacts and no normally closed contacts. It is intended for switching auxiliary and control circuits.
Can this contactor relay be controlled directly by a PLC output?
ABB specifies direct control of NFZ relays from a PLC output rated at least 24 V DC and 500 mA. Verify the actual output and control circuit requirements before selecting it.
What current can the NFZ40E-21 switch?
The rating depends on the load and voltage. ABB lists 4 A at 220–240 V for AC-15 and 6 A at 24 V DC for DC-13. The 16 A free-air thermal current at 40 °C is not a universal switching rating.
How is the NFZ40E-21 mounted and connected?
The relay can be mounted on a 35 mm DIN rail or by two diagonally placed M4 screws, which are not supplied. Its pole and coil connections use screw terminals.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.