Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB OTE90A4M plastic enclosed EMC safety switch with 90 A AC-23A rating, 45 kW motor capability, 4 pole configuration and IP65 protection for industrial machinery isolation applications.
£409.15
The ABB OTE90A4M is a heavy-duty plastic enclosed EMC safety switch designed for safe isolation and switching of industrial motors and machinery. As part of the trusted ABB OT enclosed safety switch series, it provides reliable AC-23A motor switching performance, secure maintenance isolation and electromagnetic compatibility for demanding industrial automation environments. :chatgpt-content-reference{index="0"}
This enclosed safety switch features a rigid glass-reinforced polycarbonate enclosure with IP65 protection, UV resistance and protection against low-pressure water jets, making it suitable for indoor and outdoor installations. The unit includes a red/yellow selector handle, interlocked cover, defeatable interlocking, padlockable operation and EMC protection using an integrated metal plate connected to cable shield clamps. :chatgpt-content-reference{index="1"}
With a 90 A AC-23A rating at 415 V AC, a 4-pole configuration and a 45 kW motor switching rating, the OTE90A4M is suitable for machinery isolation, motor disconnect applications and industrial electrical installations requiring EMC protection. :chatgpt-content-reference{index="2"}
The ABB OTE90A4M provides dependable local isolation for motors, machines and industrial equipment while supporting electromagnetic compatibility requirements. Its enclosed construction protects the switching mechanism and enables safe operation during maintenance procedures.
Designed for machine builders and industrial automation engineers, the OT series combines robust enclosure technology, secure isolation features and ABB engineering quality for reliable electrical installations.
Tick the specs you need, then view products that match.
| Material | Polycarbonate | |
|---|---|---|
| Voltage | 750 V AC | |
| Device Type | EMC safety switch | |
| Series | OT Enclosed Safety Switches | |
| Product type | Plastic enclosed EMC safety switch | |
| Rated operational current AC-22A | 125 A | |
| Rated operational current AC-23A | 90 A at 380–415 V AC | |
| Rated operational power AC-23A | 45 kW at 380–415 V AC | |
| Number of poles | 4P | |
| Neutral type | Fixed and switchable neutral | |
| Rated operational voltage | 750 V AC | |
| Rated insulation voltage | 750 V | |
| Rated short-circuit making capacity | 3.6 kA at 690 V AC | |
| Rated short-time withstand current | 2.5 kA for 1 s | |
| Protection rating | IP65 | |
| Impact resistance | IK08 | |
| Enclosure material | Glass-reinforced polycarbonate | |
| Handle type | Selector handle | |
| Handle colour | Red/yellow | |
| EMC protection | Integrated metal shielding plate with cable shield clamps | |
| Auxiliary contacts | 1NO mounted auxiliary contact | |
| Cable entry position | Top and bottom | |
| Cable outlets per side | 2×M50 + M16 / 2×M50 + M16 | |
| Cable cross-section | 10–70 mm² | |
| Terminal type | Screw clamp | |
| Main circuit tightening torque | 6 N·m | |
| Mounting type | Enclosed switch mounting | |
| Standards | IEC 60947-1, IEC 60947-3 | |
| Dimensions (W × H × D) | 200 × 400 × 140 mm | |
| Weight | approx. 3.5 kg |
The ABB OTE90A4M is an EMC enclosed safety switch used for local isolation and switching of motors and industrial machinery.
The safety switch is suitable for motors rated up to 45 kW with AC-23A switching performance.
The OTE90A4M features a 4-pole switching configuration.
The unit features a durable IP65 plastic enclosure suitable for indoor and outdoor installations.
Yes, the OTE90A4M includes integrated EMC shielding using a metal plate connected to cable shield clamps.
ABB OT enclosed safety switches are widely used in industrial machinery applications where dependable isolation, EMC protection and operator safety are required.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.