ABB 1SDA054929R1 RHE T4-T5 F/P bracket

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ABB 1SDA054929R1 RHE T4-T5 F/P Bracket

Product Description

Key Specs

• Compatible Relays: ABB RHE series thermal overload relays (T4, T5 frame sizes; e.g., RHE4-63, RHE5-80).
• Mounting Type: Front-panel installation (F/P) — fits standard control panel cutouts (cutout dimensions: 45×78mm, compatible with RHE T4-T5 relay footprints).
• Material: Cold-rolled steel (CRS), powder-coated (light gray, RAL 7035) — corrosion-resistant and durable for industrial environments.
• Mechanical Dimensions: Height 85mm × Width 52mm × Depth 18mm; weight ~80g (lightweight, saves cabinet space).
• Fixing Method: 4 mounting holes (M3 thread) for panel attachment; relay secured to the bracket via 2 integrated clips (tool-free installation).
• Compliance: Meets IEC 60947-1 (industrial control equipment safety standard) and ABB’s relay mounting dimensional specifications.

Core Functions

1. Standardized Front-Panel Mounting: Converts RHE T4-T5 relays (originally for DIN rail or backplane mounting) to front-panel installation, aligning with control cabinet design requirements for easy operator access to relay adjustment knobs (e.g., current setting).
2. Secure Relay Fixing: Powder-coated steel structure + clip-on relay retention prevent relay loosening from vibration (common in manufacturing plants, pump stations) and ensure consistent positioning.
3. Wiring Space Optimization: Compact depth (18mm) leaves sufficient rear-panel space for relay wiring (power/control cables), avoiding cable crowding and simplifying maintenance.

Core Advantages

1. Frame-Specific Compatibility: Tailored for RHE T4-T5 relays — no modification needed; ensures perfect fit and avoids relay misalignment.
2. Durable Construction: Powder-coated steel resists scratches, oil, and mild chemical exposure (suitable for harsh industrial cabinets) with a service life of ≥10 years.
3. Tool-Free Relay Installation: Integrated clips allow quick RHE relay attachment/removal (no screws), reducing maintenance time when replacing or calibrating relays.
4. Panel Fit Standardization: Matches universal control panel cutout sizes (45×78mm), compatible with most industrial cabinet designs (no custom cutouts required).

Applications

1. Motor Control Circuits: Mounts RHE T4-T5 thermal overload relays (protecting 15-80A motors) to front panels of motor control centers (MCCs), enabling easy current adjustment and trip status checks.
2. Industrial Control Cabinets: Used in switchboards for HVAC systems or conveyor drives — RHE relays mounted via this bracket on cabinet front panels, allowing operators to quickly reset tripped relays without opening the cabinet’s main door.
3. Machine Automation Panels: Integrates RHE T4-T5 relays into custom machine control panels (e.g., packaging machines, textile equipment) — bracket ensures relay stability during machine vibration.

Precautions

1. Relay Frame Check: Confirm relay is RHE T4-T5 frame size — incompatible with smaller (T1-T3) or larger (T6-T8) RHE frames; mismatched relays will not clip securely.
2. Panel Cutout Size: Verify control panel cutout is 45×78mm — oversized/undersized cutouts cause bracket misalignment or instability.
3. Mounting Torque: Tighten panel mounting screws to 0.8-1.2N·m — over-tightening damages the bracket; under-tightening leads to vibration-induced loosening.
4. Corrosive Environments: In high-humidity or chemical-exposed areas (e.g., food processing plants), add a protective film (compatible with RAL 7035 coating) to the bracket surface to extend corrosion resistance.
5. Relay Retention: After installing the relay, pull gently to confirm it is fully clipped into the bracket — incomplete attachment may cause relay dislodgment during cabinet handling.

The structure and details of the product：

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